diff --git a/database/migrations/2014_10_12_000000_create_users_table.php b/database/migrations/2014_10_12_000000_create_users_table.php
index 61b73b7f2..638394df6 100644
--- a/database/migrations/2014_10_12_000000_create_users_table.php
+++ b/database/migrations/2014_10_12_000000_create_users_table.php
@@ -1,16 +1,17 @@
 <?php
 
+use Carbon\Carbon;
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::create('users', function (Blueprint $table) {
             $table->increments('id');
@@ -26,17 +27,15 @@ return new class extends Migration
             'name'       => 'Admin',
             'email'      => 'admin@admin.com',
             'password'   => bcrypt('password'),
-            'created_at' => \Carbon\Carbon::now()->toDateTimeString(),
-            'updated_at' => \Carbon\Carbon::now()->toDateTimeString(),
+            'created_at' => Carbon::now()->toDateTimeString(),
+            'updated_at' => Carbon::now()->toDateTimeString(),
         ]);
     }
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::drop('users');
     }
diff --git a/database/migrations/2014_10_12_100000_create_password_resets_table.php b/database/migrations/2014_10_12_100000_create_password_resets_table.php
index f29aff42b..f53370009 100644
--- a/database/migrations/2014_10_12_100000_create_password_resets_table.php
+++ b/database/migrations/2014_10_12_100000_create_password_resets_table.php
@@ -2,15 +2,14 @@
 
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::create('password_resets', function (Blueprint $table) {
             $table->string('email')->index();
@@ -21,10 +20,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::drop('password_resets');
     }
diff --git a/database/migrations/2015_07_12_114933_create_books_table.php b/database/migrations/2015_07_12_114933_create_books_table.php
index 959169458..98d043365 100644
--- a/database/migrations/2015_07_12_114933_create_books_table.php
+++ b/database/migrations/2015_07_12_114933_create_books_table.php
@@ -2,15 +2,14 @@
 
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::create('books', function (Blueprint $table) {
             $table->increments('id');
@@ -23,10 +22,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::drop('books');
     }
diff --git a/database/migrations/2015_07_12_190027_create_pages_table.php b/database/migrations/2015_07_12_190027_create_pages_table.php
index d9b266813..8ef5fc971 100644
--- a/database/migrations/2015_07_12_190027_create_pages_table.php
+++ b/database/migrations/2015_07_12_190027_create_pages_table.php
@@ -2,15 +2,14 @@
 
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::create('pages', function (Blueprint $table) {
             $table->increments('id');
@@ -27,10 +26,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::drop('pages');
     }
diff --git a/database/migrations/2015_07_13_172121_create_images_table.php b/database/migrations/2015_07_13_172121_create_images_table.php
index 8814d079e..ae57fc80d 100644
--- a/database/migrations/2015_07_13_172121_create_images_table.php
+++ b/database/migrations/2015_07_13_172121_create_images_table.php
@@ -2,15 +2,14 @@
 
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::create('images', function (Blueprint $table) {
             $table->increments('id');
@@ -22,10 +21,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::drop('images');
     }
diff --git a/database/migrations/2015_07_27_172342_create_chapters_table.php b/database/migrations/2015_07_27_172342_create_chapters_table.php
index bfccd6fac..fca92429c 100644
--- a/database/migrations/2015_07_27_172342_create_chapters_table.php
+++ b/database/migrations/2015_07_27_172342_create_chapters_table.php
@@ -2,15 +2,14 @@
 
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::create('chapters', function (Blueprint $table) {
             $table->increments('id');
@@ -25,10 +24,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::drop('chapters');
     }
diff --git a/database/migrations/2015_08_08_200447_add_users_to_entities.php b/database/migrations/2015_08_08_200447_add_users_to_entities.php
index 8acfd360a..51dfafc6a 100644
--- a/database/migrations/2015_08_08_200447_add_users_to_entities.php
+++ b/database/migrations/2015_08_08_200447_add_users_to_entities.php
@@ -2,15 +2,14 @@
 
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('pages', function (Blueprint $table) {
             $table->integer('created_by');
@@ -32,10 +31,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('pages', function (Blueprint $table) {
             $table->dropColumn('created_by');
diff --git a/database/migrations/2015_08_09_093534_create_page_revisions_table.php b/database/migrations/2015_08_09_093534_create_page_revisions_table.php
index b8264fd29..af9104edc 100644
--- a/database/migrations/2015_08_09_093534_create_page_revisions_table.php
+++ b/database/migrations/2015_08_09_093534_create_page_revisions_table.php
@@ -2,15 +2,14 @@
 
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::create('page_revisions', function (Blueprint $table) {
             $table->increments('id');
@@ -25,10 +24,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::drop('page_revisions');
     }
diff --git a/database/migrations/2015_08_16_142133_create_activities_table.php b/database/migrations/2015_08_16_142133_create_activities_table.php
index 742a4a40d..316d52ced 100644
--- a/database/migrations/2015_08_16_142133_create_activities_table.php
+++ b/database/migrations/2015_08_16_142133_create_activities_table.php
@@ -2,15 +2,14 @@
 
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::create('activities', function (Blueprint $table) {
             $table->increments('id');
@@ -26,10 +25,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::drop('activities');
     }
diff --git a/database/migrations/2015_08_29_105422_add_roles_and_permissions.php b/database/migrations/2015_08_29_105422_add_roles_and_permissions.php
index 517cfaf43..a2a8ae9d6 100644
--- a/database/migrations/2015_08_29_105422_add_roles_and_permissions.php
+++ b/database/migrations/2015_08_29_105422_add_roles_and_permissions.php
@@ -10,17 +10,18 @@
  * @url https://github.com/Zizaco/entrust
  */
 
+use Carbon\Carbon;
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         // Create table for storing roles
         Schema::create('roles', function (Blueprint $table) {
@@ -71,22 +72,22 @@ return new class extends Migration
             'name'         => 'admin',
             'display_name' => 'Admin',
             'description'  => 'Administrator of the whole application',
-            'created_at'   => \Carbon\Carbon::now()->toDateTimeString(),
-            'updated_at'   => \Carbon\Carbon::now()->toDateTimeString(),
+            'created_at'   => Carbon::now()->toDateTimeString(),
+            'updated_at'   => Carbon::now()->toDateTimeString(),
         ]);
         $editorId = DB::table('roles')->insertGetId([
             'name'         => 'editor',
             'display_name' => 'Editor',
             'description'  => 'User can edit Books, Chapters & Pages',
-            'created_at'   => \Carbon\Carbon::now()->toDateTimeString(),
-            'updated_at'   => \Carbon\Carbon::now()->toDateTimeString(),
+            'created_at'   => Carbon::now()->toDateTimeString(),
+            'updated_at'   => Carbon::now()->toDateTimeString(),
         ]);
         $viewerId = DB::table('roles')->insertGetId([
             'name'         => 'viewer',
             'display_name' => 'Viewer',
             'description'  => 'User can view books & their content behind authentication',
-            'created_at'   => \Carbon\Carbon::now()->toDateTimeString(),
-            'updated_at'   => \Carbon\Carbon::now()->toDateTimeString(),
+            'created_at'   => Carbon::now()->toDateTimeString(),
+            'updated_at'   => Carbon::now()->toDateTimeString(),
         ]);
 
         // Create default CRUD permissions and allocate to admins and editors
@@ -97,8 +98,8 @@ return new class extends Migration
                 $newPermId = DB::table('permissions')->insertGetId([
                     'name'         => strtolower($entity) . '-' . strtolower($op),
                     'display_name' => $op . ' ' . $entity . 's',
-                    'created_at'   => \Carbon\Carbon::now()->toDateTimeString(),
-                    'updated_at'   => \Carbon\Carbon::now()->toDateTimeString(),
+                    'created_at'   => Carbon::now()->toDateTimeString(),
+                    'updated_at'   => Carbon::now()->toDateTimeString(),
                 ]);
                 DB::table('permission_role')->insert([
                     ['permission_id' => $newPermId, 'role_id' => $adminId],
@@ -115,8 +116,8 @@ return new class extends Migration
                 $newPermId = DB::table('permissions')->insertGetId([
                     'name'         => strtolower($entity) . '-' . strtolower($op),
                     'display_name' => $op . ' ' . $entity,
-                    'created_at'   => \Carbon\Carbon::now()->toDateTimeString(),
-                    'updated_at'   => \Carbon\Carbon::now()->toDateTimeString(),
+                    'created_at'   => Carbon::now()->toDateTimeString(),
+                    'updated_at'   => Carbon::now()->toDateTimeString(),
                 ]);
                 DB::table('permission_role')->insert([
                     'permission_id' => $newPermId,
@@ -138,10 +139,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::drop('permission_role');
         Schema::drop('permissions');
diff --git a/database/migrations/2015_08_30_125859_create_settings_table.php b/database/migrations/2015_08_30_125859_create_settings_table.php
index 45c9c08b3..d1273bf09 100644
--- a/database/migrations/2015_08_30_125859_create_settings_table.php
+++ b/database/migrations/2015_08_30_125859_create_settings_table.php
@@ -2,15 +2,14 @@
 
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::create('settings', function (Blueprint $table) {
             $table->string('setting_key')->primary()->indexed();
@@ -21,10 +20,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::drop('settings');
     }
diff --git a/database/migrations/2015_08_31_175240_add_search_indexes.php b/database/migrations/2015_08_31_175240_add_search_indexes.php
index 6097fd13e..4e0421e9e 100644
--- a/database/migrations/2015_08_31_175240_add_search_indexes.php
+++ b/database/migrations/2015_08_31_175240_add_search_indexes.php
@@ -2,13 +2,12 @@
 
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
     public function up()
     {
@@ -23,10 +22,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         $sm = Schema::getConnection()->getDoctrineSchemaManager();
         $pages = $sm->listTableDetails('pages');
diff --git a/database/migrations/2015_09_04_165821_create_social_accounts_table.php b/database/migrations/2015_09_04_165821_create_social_accounts_table.php
index bea901136..7a9b1a496 100644
--- a/database/migrations/2015_09_04_165821_create_social_accounts_table.php
+++ b/database/migrations/2015_09_04_165821_create_social_accounts_table.php
@@ -2,15 +2,14 @@
 
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::create('social_accounts', function (Blueprint $table) {
             $table->increments('id');
@@ -24,10 +23,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::drop('social_accounts');
     }
diff --git a/database/migrations/2015_09_05_164707_add_email_confirmation_table.php b/database/migrations/2015_09_05_164707_add_email_confirmation_table.php
index a28a5728e..9e58493c7 100644
--- a/database/migrations/2015_09_05_164707_add_email_confirmation_table.php
+++ b/database/migrations/2015_09_05_164707_add_email_confirmation_table.php
@@ -2,15 +2,14 @@
 
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('users', function (Blueprint $table) {
             $table->boolean('email_confirmed')->default(true);
@@ -26,10 +25,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('users', function (Blueprint $table) {
             $table->dropColumn('email_confirmed');
diff --git a/database/migrations/2015_11_21_145609_create_views_table.php b/database/migrations/2015_11_21_145609_create_views_table.php
index bb8c373d8..00ccc7ac3 100644
--- a/database/migrations/2015_11_21_145609_create_views_table.php
+++ b/database/migrations/2015_11_21_145609_create_views_table.php
@@ -2,15 +2,14 @@
 
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::create('views', function (Blueprint $table) {
             $table->increments('id');
@@ -24,10 +23,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::drop('views');
     }
diff --git a/database/migrations/2015_11_26_221857_add_entity_indexes.php b/database/migrations/2015_11_26_221857_add_entity_indexes.php
index 3203eb8a7..3f1882447 100644
--- a/database/migrations/2015_11_26_221857_add_entity_indexes.php
+++ b/database/migrations/2015_11_26_221857_add_entity_indexes.php
@@ -2,15 +2,14 @@
 
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('books', function (Blueprint $table) {
             $table->index('slug');
@@ -48,10 +47,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('books', function (Blueprint $table) {
             $table->dropIndex('books_slug_index');
diff --git a/database/migrations/2015_12_05_145049_fulltext_weighting.php b/database/migrations/2015_12_05_145049_fulltext_weighting.php
index a18508c45..7f9d2373c 100644
--- a/database/migrations/2015_12_05_145049_fulltext_weighting.php
+++ b/database/migrations/2015_12_05_145049_fulltext_weighting.php
@@ -2,13 +2,12 @@
 
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
     public function up()
     {
@@ -23,10 +22,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         $sm = Schema::getConnection()->getDoctrineSchemaManager();
         $pages = $sm->listTableDetails('pages');
diff --git a/database/migrations/2015_12_07_195238_add_image_upload_types.php b/database/migrations/2015_12_07_195238_add_image_upload_types.php
index c9f9675c7..ce6e5d6b6 100644
--- a/database/migrations/2015_12_07_195238_add_image_upload_types.php
+++ b/database/migrations/2015_12_07_195238_add_image_upload_types.php
@@ -3,15 +3,14 @@
 use BookStack\Uploads\Image;
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('images', function (Blueprint $table) {
             $table->string('path', 400);
@@ -27,10 +26,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('images', function (Blueprint $table) {
             $table->dropColumn('type');
diff --git a/database/migrations/2015_12_09_195748_add_user_avatars.php b/database/migrations/2015_12_09_195748_add_user_avatars.php
index 950526ddc..dd8bcf0b4 100644
--- a/database/migrations/2015_12_09_195748_add_user_avatars.php
+++ b/database/migrations/2015_12_09_195748_add_user_avatars.php
@@ -2,15 +2,14 @@
 
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('users', function (Blueprint $table) {
             $table->integer('image_id')->default(0);
@@ -19,10 +18,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('users', function (Blueprint $table) {
             $table->dropColumn('image_id');
diff --git a/database/migrations/2016_01_11_210908_add_external_auth_to_users.php b/database/migrations/2016_01_11_210908_add_external_auth_to_users.php
index ff889d867..413a8a29d 100644
--- a/database/migrations/2016_01_11_210908_add_external_auth_to_users.php
+++ b/database/migrations/2016_01_11_210908_add_external_auth_to_users.php
@@ -2,15 +2,14 @@
 
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('users', function (Blueprint $table) {
             $table->string('external_auth_id')->index();
@@ -19,10 +18,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('users', function (Blueprint $table) {
             $table->dropColumn('external_auth_id');
diff --git a/database/migrations/2016_02_25_184030_add_slug_to_revisions.php b/database/migrations/2016_02_25_184030_add_slug_to_revisions.php
index a083e10b5..86a08f2c8 100644
--- a/database/migrations/2016_02_25_184030_add_slug_to_revisions.php
+++ b/database/migrations/2016_02_25_184030_add_slug_to_revisions.php
@@ -2,15 +2,14 @@
 
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('page_revisions', function (Blueprint $table) {
             $table->string('slug');
@@ -22,10 +21,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('page_revisions', function (Blueprint $table) {
             $table->dropColumn('slug');
diff --git a/database/migrations/2016_02_27_120329_update_permissions_and_roles.php b/database/migrations/2016_02_27_120329_update_permissions_and_roles.php
index dd62301d6..c0d86086d 100644
--- a/database/migrations/2016_02_27_120329_update_permissions_and_roles.php
+++ b/database/migrations/2016_02_27_120329_update_permissions_and_roles.php
@@ -1,15 +1,15 @@
 <?php
 
+use Carbon\Carbon;
 use Illuminate\Database\Migrations\Migration;
+use Illuminate\Support\Facades\DB;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         // Get roles with permissions we need to change
         $adminRoleId = DB::table('roles')->where('name', '=', 'admin')->first()->id;
@@ -30,8 +30,8 @@ return new class extends Migration
             $permissionId = DB::table('permissions')->insertGetId([
                 'name'         => $name,
                 'display_name' => $displayName,
-                'created_at'   => \Carbon\Carbon::now()->toDateTimeString(),
-                'updated_at'   => \Carbon\Carbon::now()->toDateTimeString(),
+                'created_at'   => Carbon::now()->toDateTimeString(),
+                'updated_at'   => Carbon::now()->toDateTimeString(),
             ]);
             DB::table('permission_role')->insert([
                 'role_id'       => $adminRoleId,
@@ -47,8 +47,8 @@ return new class extends Migration
                 $permissionId = DB::table('permissions')->insertGetId([
                     'name'         => strtolower($entity) . '-' . strtolower(str_replace(' ', '-', $op)),
                     'display_name' => $op . ' ' . $entity . 's',
-                    'created_at'   => \Carbon\Carbon::now()->toDateTimeString(),
-                    'updated_at'   => \Carbon\Carbon::now()->toDateTimeString(),
+                    'created_at'   => Carbon::now()->toDateTimeString(),
+                    'updated_at'   => Carbon::now()->toDateTimeString(),
                 ]);
                 DB::table('permission_role')->insert([
                     'role_id'       => $adminRoleId,
@@ -66,10 +66,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         // Get roles with permissions we need to change
         $adminRoleId = DB::table('roles')->where('name', '=', 'admin')->first()->id;
@@ -85,8 +83,8 @@ return new class extends Migration
                 $permissionId = DB::table('permissions')->insertGetId([
                     'name'         => strtolower($entity) . '-' . strtolower($op),
                     'display_name' => $op . ' ' . $entity . 's',
-                    'created_at'   => \Carbon\Carbon::now()->toDateTimeString(),
-                    'updated_at'   => \Carbon\Carbon::now()->toDateTimeString(),
+                    'created_at'   => Carbon::now()->toDateTimeString(),
+                    'updated_at'   => Carbon::now()->toDateTimeString(),
                 ]);
                 DB::table('permission_role')->insert([
                     'role_id'       => $adminRoleId,
@@ -103,8 +101,8 @@ return new class extends Migration
                 $permissionId = DB::table('permissions')->insertGetId([
                     'name'         => strtolower($entity) . '-' . strtolower($op),
                     'display_name' => $op . ' ' . $entity,
-                    'created_at'   => \Carbon\Carbon::now()->toDateTimeString(),
-                    'updated_at'   => \Carbon\Carbon::now()->toDateTimeString(),
+                    'created_at'   => Carbon::now()->toDateTimeString(),
+                    'updated_at'   => Carbon::now()->toDateTimeString(),
                 ]);
                 DB::table('permission_role')->insert([
                     'role_id'       => $adminRoleId,
diff --git a/database/migrations/2016_02_28_084200_add_entity_access_controls.php b/database/migrations/2016_02_28_084200_add_entity_access_controls.php
index 7a796e728..cf8ba5f30 100644
--- a/database/migrations/2016_02_28_084200_add_entity_access_controls.php
+++ b/database/migrations/2016_02_28_084200_add_entity_access_controls.php
@@ -2,15 +2,14 @@
 
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('images', function (Blueprint $table) {
             $table->integer('uploaded_to')->default(0);
@@ -46,10 +45,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('images', function (Blueprint $table) {
             $table->dropColumn('uploaded_to');
diff --git a/database/migrations/2016_03_09_203143_add_page_revision_types.php b/database/migrations/2016_03_09_203143_add_page_revision_types.php
index 2fc630437..566f2fdeb 100644
--- a/database/migrations/2016_03_09_203143_add_page_revision_types.php
+++ b/database/migrations/2016_03_09_203143_add_page_revision_types.php
@@ -2,15 +2,14 @@
 
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('page_revisions', function (Blueprint $table) {
             $table->string('type')->default('version');
@@ -20,10 +19,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('page_revisions', function (Blueprint $table) {
             $table->dropColumn('type');
diff --git a/database/migrations/2016_03_13_082138_add_page_drafts.php b/database/migrations/2016_03_13_082138_add_page_drafts.php
index ce5979632..a8690513f 100644
--- a/database/migrations/2016_03_13_082138_add_page_drafts.php
+++ b/database/migrations/2016_03_13_082138_add_page_drafts.php
@@ -2,15 +2,14 @@
 
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('pages', function (Blueprint $table) {
             $table->boolean('draft')->default(false);
@@ -20,10 +19,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('pages', function (Blueprint $table) {
             $table->dropColumn('draft');
diff --git a/database/migrations/2016_03_25_123157_add_markdown_support.php b/database/migrations/2016_03_25_123157_add_markdown_support.php
index a89fc273d..f0b42b645 100644
--- a/database/migrations/2016_03_25_123157_add_markdown_support.php
+++ b/database/migrations/2016_03_25_123157_add_markdown_support.php
@@ -2,15 +2,14 @@
 
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('pages', function (Blueprint $table) {
             $table->longText('markdown')->default('');
@@ -23,10 +22,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('pages', function (Blueprint $table) {
             $table->dropColumn('markdown');
diff --git a/database/migrations/2016_04_09_100730_add_view_permissions_to_roles.php b/database/migrations/2016_04_09_100730_add_view_permissions_to_roles.php
index 411c24007..481ac785f 100644
--- a/database/migrations/2016_04_09_100730_add_view_permissions_to_roles.php
+++ b/database/migrations/2016_04_09_100730_add_view_permissions_to_roles.php
@@ -1,15 +1,15 @@
 <?php
 
+use Carbon\Carbon;
 use Illuminate\Database\Migrations\Migration;
+use Illuminate\Support\Facades\DB;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         $currentRoles = DB::table('roles')->get();
 
@@ -21,8 +21,8 @@ return new class extends Migration
                 $permId = DB::table('permissions')->insertGetId([
                     'name'         => strtolower($entity) . '-' . strtolower(str_replace(' ', '-', $op)),
                     'display_name' => $op . ' ' . $entity . 's',
-                    'created_at'   => \Carbon\Carbon::now()->toDateTimeString(),
-                    'updated_at'   => \Carbon\Carbon::now()->toDateTimeString(),
+                    'created_at'   => Carbon::now()->toDateTimeString(),
+                    'updated_at'   => Carbon::now()->toDateTimeString(),
                 ]);
                 // Assign view permission to all current roles
                 foreach ($currentRoles as $role) {
@@ -37,10 +37,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         // Delete the new view permission
         $entities = ['Book', 'Page', 'Chapter'];
diff --git a/database/migrations/2016_04_20_192649_create_joint_permissions_table.php b/database/migrations/2016_04_20_192649_create_joint_permissions_table.php
index 745e156bc..ba9f615e4 100644
--- a/database/migrations/2016_04_20_192649_create_joint_permissions_table.php
+++ b/database/migrations/2016_04_20_192649_create_joint_permissions_table.php
@@ -1,17 +1,18 @@
 <?php
 
+use Carbon\Carbon;
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
 use Illuminate\Support\Str;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::create('joint_permissions', function (Blueprint $table) {
             $table->increments('id');
@@ -48,8 +49,8 @@ return new class extends Migration
             'description'  => 'The role given to public visitors if allowed',
             'system_name'  => 'public',
             'hidden'       => true,
-            'created_at'   => \Carbon\Carbon::now()->toDateTimeString(),
-            'updated_at'   => \Carbon\Carbon::now()->toDateTimeString(),
+            'created_at'   => Carbon::now()->toDateTimeString(),
+            'updated_at'   => Carbon::now()->toDateTimeString(),
         ];
 
         // Ensure unique name
@@ -79,10 +80,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::drop('joint_permissions');
 
diff --git a/database/migrations/2016_05_06_185215_create_tags_table.php b/database/migrations/2016_05_06_185215_create_tags_table.php
index b065a052f..1be9a389f 100644
--- a/database/migrations/2016_05_06_185215_create_tags_table.php
+++ b/database/migrations/2016_05_06_185215_create_tags_table.php
@@ -2,15 +2,14 @@
 
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::create('tags', function (Blueprint $table) {
             $table->increments('id');
@@ -30,10 +29,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::drop('tags');
     }
diff --git a/database/migrations/2016_07_07_181521_add_summary_to_page_revisions.php b/database/migrations/2016_07_07_181521_add_summary_to_page_revisions.php
index 03942b17a..562e6415f 100644
--- a/database/migrations/2016_07_07_181521_add_summary_to_page_revisions.php
+++ b/database/migrations/2016_07_07_181521_add_summary_to_page_revisions.php
@@ -1,15 +1,14 @@
 <?php
 
 use Illuminate\Database\Migrations\Migration;
+use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('page_revisions', function ($table) {
             $table->string('summary')->nullable();
@@ -18,10 +17,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('page_revisions', function ($table) {
             $table->dropColumn('summary');
diff --git a/database/migrations/2016_09_29_101449_remove_hidden_roles.php b/database/migrations/2016_09_29_101449_remove_hidden_roles.php
index 2f729673f..fa0a5fe92 100644
--- a/database/migrations/2016_09_29_101449_remove_hidden_roles.php
+++ b/database/migrations/2016_09_29_101449_remove_hidden_roles.php
@@ -1,17 +1,17 @@
 <?php
 
+use Carbon\Carbon;
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         // Remove the hidden property from roles
         Schema::table('roles', function (Blueprint $table) {
@@ -29,8 +29,8 @@ return new class extends Migration
             'name'            => 'Guest',
             'system_name'     => 'public',
             'email_confirmed' => true,
-            'created_at'      => \Carbon\Carbon::now(),
-            'updated_at'      => \Carbon\Carbon::now(),
+            'created_at'      => Carbon::now(),
+            'updated_at'      => Carbon::now(),
         ]);
 
         // Get the public role
@@ -45,10 +45,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('roles', function (Blueprint $table) {
             $table->boolean('hidden')->default(false);
diff --git a/database/migrations/2016_10_09_142037_create_attachments_table.php b/database/migrations/2016_10_09_142037_create_attachments_table.php
index 41db5723d..278051c8b 100644
--- a/database/migrations/2016_10_09_142037_create_attachments_table.php
+++ b/database/migrations/2016_10_09_142037_create_attachments_table.php
@@ -1,17 +1,17 @@
 <?php
 
+use Carbon\Carbon;
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::create('attachments', function (Blueprint $table) {
             $table->increments('id');
@@ -40,8 +40,8 @@ return new class extends Migration
             $permissionId = DB::table('role_permissions')->insertGetId([
                 'name'         => strtolower($entity) . '-' . strtolower(str_replace(' ', '-', $op)),
                 'display_name' => $op . ' ' . $entity . 's',
-                'created_at'   => \Carbon\Carbon::now()->toDateTimeString(),
-                'updated_at'   => \Carbon\Carbon::now()->toDateTimeString(),
+                'created_at'   => Carbon::now()->toDateTimeString(),
+                'updated_at'   => Carbon::now()->toDateTimeString(),
             ]);
             DB::table('permission_role')->insert([
                 'role_id'       => $adminRoleId,
@@ -52,10 +52,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::dropIfExists('attachments');
 
diff --git a/database/migrations/2017_01_21_163556_create_cache_table.php b/database/migrations/2017_01_21_163556_create_cache_table.php
index abff912f2..7c07c0cb8 100644
--- a/database/migrations/2017_01_21_163556_create_cache_table.php
+++ b/database/migrations/2017_01_21_163556_create_cache_table.php
@@ -8,10 +8,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::create('cache', function (Blueprint $table) {
             $table->string('key')->unique();
@@ -22,10 +20,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::dropIfExists('cache');
     }
diff --git a/database/migrations/2017_01_21_163602_create_sessions_table.php b/database/migrations/2017_01_21_163602_create_sessions_table.php
index c32838a8c..3f52752c2 100644
--- a/database/migrations/2017_01_21_163602_create_sessions_table.php
+++ b/database/migrations/2017_01_21_163602_create_sessions_table.php
@@ -8,10 +8,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::create('sessions', function (Blueprint $table) {
             $table->string('id')->unique();
@@ -25,10 +23,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::dropIfExists('sessions');
     }
diff --git a/database/migrations/2017_03_19_091553_create_search_index_table.php b/database/migrations/2017_03_19_091553_create_search_index_table.php
index 03a63392a..72be3ccbe 100644
--- a/database/migrations/2017_03_19_091553_create_search_index_table.php
+++ b/database/migrations/2017_03_19_091553_create_search_index_table.php
@@ -8,10 +8,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::create('search_terms', function (Blueprint $table) {
             $table->increments('id');
@@ -55,10 +53,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         // This was removed for v0.24 since these indexes are removed anyway
         // and will cause issues for db engines that don't support such indexes.
diff --git a/database/migrations/2017_04_20_185112_add_revision_counts.php b/database/migrations/2017_04_20_185112_add_revision_counts.php
index 891ff8e0a..182d95c75 100644
--- a/database/migrations/2017_04_20_185112_add_revision_counts.php
+++ b/database/migrations/2017_04_20_185112_add_revision_counts.php
@@ -2,16 +2,15 @@
 
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('pages', function (Blueprint $table) {
             $table->integer('revision_count');
@@ -29,10 +28,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('pages', function (Blueprint $table) {
             $table->dropColumn('revision_count');
diff --git a/database/migrations/2017_07_02_152834_update_db_encoding_to_ut8mb4.php b/database/migrations/2017_07_02_152834_update_db_encoding_to_ut8mb4.php
index 7805be700..178cb584f 100644
--- a/database/migrations/2017_07_02_152834_update_db_encoding_to_ut8mb4.php
+++ b/database/migrations/2017_07_02_152834_update_db_encoding_to_ut8mb4.php
@@ -6,8 +6,6 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
     public function up()
     {
@@ -18,8 +16,6 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
     public function down()
     {
diff --git a/database/migrations/2017_08_01_130541_create_comments_table.php b/database/migrations/2017_08_01_130541_create_comments_table.php
index f654ebf65..d14785476 100644
--- a/database/migrations/2017_08_01_130541_create_comments_table.php
+++ b/database/migrations/2017_08_01_130541_create_comments_table.php
@@ -1,17 +1,17 @@
 <?php
 
+use Carbon\Carbon;
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::create('comments', function (Blueprint $table) {
             $table->increments('id')->unsigned();
@@ -37,8 +37,8 @@ return new class extends Migration
                 $permissionId = DB::table('role_permissions')->insertGetId([
                     'name'         => strtolower($entity) . '-' . strtolower(str_replace(' ', '-', $op)),
                     'display_name' => $op . ' ' . $entity . 's',
-                    'created_at'   => \Carbon\Carbon::now()->toDateTimeString(),
-                    'updated_at'   => \Carbon\Carbon::now()->toDateTimeString(),
+                    'created_at'   => Carbon::now()->toDateTimeString(),
+                    'updated_at'   => Carbon::now()->toDateTimeString(),
                 ]);
                 DB::table('permission_role')->insert([
                     'role_id'       => $adminRoleId,
@@ -50,10 +50,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::dropIfExists('comments');
         // Delete comment role permissions
diff --git a/database/migrations/2017_08_29_102650_add_cover_image_display.php b/database/migrations/2017_08_29_102650_add_cover_image_display.php
index 5ba3145f2..0f7b7d82a 100644
--- a/database/migrations/2017_08_29_102650_add_cover_image_display.php
+++ b/database/migrations/2017_08_29_102650_add_cover_image_display.php
@@ -8,10 +8,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('books', function (Blueprint $table) {
             $table->integer('image_id')->nullable()->default(null);
@@ -20,10 +18,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('books', function (Blueprint $table) {
             $table->dropColumn('image_id');
diff --git a/database/migrations/2018_07_15_173514_add_role_external_auth_id.php b/database/migrations/2018_07_15_173514_add_role_external_auth_id.php
index eb2bf91fc..586947656 100644
--- a/database/migrations/2018_07_15_173514_add_role_external_auth_id.php
+++ b/database/migrations/2018_07_15_173514_add_role_external_auth_id.php
@@ -8,10 +8,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('roles', function (Blueprint $table) {
             $table->string('external_auth_id', 180)->default('');
@@ -21,10 +19,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('roles', function (Blueprint $table) {
             $table->dropColumn('external_auth_id');
diff --git a/database/migrations/2018_08_04_115700_create_bookshelves_table.php b/database/migrations/2018_08_04_115700_create_bookshelves_table.php
index bd3478bc7..54ccfb6ba 100644
--- a/database/migrations/2018_08_04_115700_create_bookshelves_table.php
+++ b/database/migrations/2018_08_04_115700_create_bookshelves_table.php
@@ -1,5 +1,6 @@
 <?php
 
+use Carbon\Carbon;
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Support\Facades\DB;
@@ -9,10 +10,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
 
         // Convert the existing entity tables to InnoDB.
@@ -83,8 +82,8 @@ return new class extends Migration
             $permId = DB::table('role_permissions')->insertGetId([
                 'name'         => 'bookshelf-' . $dbOpName,
                 'display_name' => $op . ' ' . 'BookShelves',
-                'created_at'   => \Carbon\Carbon::now()->toDateTimeString(),
-                'updated_at'   => \Carbon\Carbon::now()->toDateTimeString(),
+                'created_at'   => Carbon::now()->toDateTimeString(),
+                'updated_at'   => Carbon::now()->toDateTimeString(),
             ]);
 
             $rowsToInsert = $roleIdsWithBookPermission->filter(function ($roleId) {
@@ -103,10 +102,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         // Drop created permissions
         $ops = ['bookshelf-create-all', 'bookshelf-create-own', 'bookshelf-delete-all', 'bookshelf-delete-own', 'bookshelf-update-all', 'bookshelf-update-own', 'bookshelf-view-all', 'bookshelf-view-own'];
diff --git a/database/migrations/2019_07_07_112515_add_template_support.php b/database/migrations/2019_07_07_112515_add_template_support.php
index 423e02827..cabde549e 100644
--- a/database/migrations/2019_07_07_112515_add_template_support.php
+++ b/database/migrations/2019_07_07_112515_add_template_support.php
@@ -3,16 +3,15 @@
 use Carbon\Carbon;
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('pages', function (Blueprint $table) {
             $table->boolean('template')->default(false);
@@ -35,10 +34,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('pages', function (Blueprint $table) {
             $table->dropColumn('template');
diff --git a/database/migrations/2019_08_17_140214_add_user_invites_table.php b/database/migrations/2019_08_17_140214_add_user_invites_table.php
index ce88a2894..1ab4c72f8 100644
--- a/database/migrations/2019_08_17_140214_add_user_invites_table.php
+++ b/database/migrations/2019_08_17_140214_add_user_invites_table.php
@@ -8,10 +8,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::create('user_invites', function (Blueprint $table) {
             $table->increments('id');
@@ -23,10 +21,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::dropIfExists('user_invites');
     }
diff --git a/database/migrations/2019_12_29_120917_add_api_auth.php b/database/migrations/2019_12_29_120917_add_api_auth.php
index 2cf970a8a..99ce8d27c 100644
--- a/database/migrations/2019_12_29_120917_add_api_auth.php
+++ b/database/migrations/2019_12_29_120917_add_api_auth.php
@@ -3,16 +3,15 @@
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Support\Carbon;
+use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
 
         // Add API tokens table
@@ -42,10 +41,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         // Remove API tokens table
         Schema::dropIfExists('api_tokens');
diff --git a/database/migrations/2020_08_04_111754_drop_joint_permissions_id.php b/database/migrations/2020_08_04_111754_drop_joint_permissions_id.php
index 902d3c227..882001cad 100644
--- a/database/migrations/2020_08_04_111754_drop_joint_permissions_id.php
+++ b/database/migrations/2020_08_04_111754_drop_joint_permissions_id.php
@@ -8,10 +8,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('joint_permissions', function (Blueprint $table) {
             $table->dropColumn('id');
@@ -21,10 +19,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('joint_permissions', function (Blueprint $table) {
             $table->dropPrimary(['role_id', 'entity_type', 'entity_id', 'action']);
diff --git a/database/migrations/2020_08_04_131052_remove_role_name_field.php b/database/migrations/2020_08_04_131052_remove_role_name_field.php
index cd9f64697..10800e11f 100644
--- a/database/migrations/2020_08_04_131052_remove_role_name_field.php
+++ b/database/migrations/2020_08_04_131052_remove_role_name_field.php
@@ -9,10 +9,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('roles', function (Blueprint $table) {
             $table->dropColumn('name');
@@ -21,10 +19,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('roles', function (Blueprint $table) {
             $table->string('name')->index();
diff --git a/database/migrations/2020_09_19_094251_add_activity_indexes.php b/database/migrations/2020_09_19_094251_add_activity_indexes.php
index f7f35b62b..ca1afb1da 100644
--- a/database/migrations/2020_09_19_094251_add_activity_indexes.php
+++ b/database/migrations/2020_09_19_094251_add_activity_indexes.php
@@ -8,10 +8,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('activities', function (Blueprint $table) {
             $table->index('key');
@@ -21,10 +19,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('activities', function (Blueprint $table) {
             $table->dropIndex('activities_key_index');
diff --git a/database/migrations/2020_09_27_210059_add_entity_soft_deletes.php b/database/migrations/2020_09_27_210059_add_entity_soft_deletes.php
index 9cc12acdc..bc6c3f18f 100644
--- a/database/migrations/2020_09_27_210059_add_entity_soft_deletes.php
+++ b/database/migrations/2020_09_27_210059_add_entity_soft_deletes.php
@@ -8,10 +8,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('bookshelves', function (Blueprint $table) {
             $table->softDeletes();
@@ -29,10 +27,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('bookshelves', function (Blueprint $table) {
             $table->dropSoftDeletes();
diff --git a/database/migrations/2020_09_27_210528_create_deletions_table.php b/database/migrations/2020_09_27_210528_create_deletions_table.php
index 3b1098175..96c6c0b0d 100644
--- a/database/migrations/2020_09_27_210528_create_deletions_table.php
+++ b/database/migrations/2020_09_27_210528_create_deletions_table.php
@@ -8,10 +8,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::create('deletions', function (Blueprint $table) {
             $table->increments('id');
@@ -28,10 +26,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::dropIfExists('deletions');
     }
diff --git a/database/migrations/2020_11_07_232321_simplify_activities_table.php b/database/migrations/2020_11_07_232321_simplify_activities_table.php
index 6ebe3fad0..c128a3235 100644
--- a/database/migrations/2020_11_07_232321_simplify_activities_table.php
+++ b/database/migrations/2020_11_07_232321_simplify_activities_table.php
@@ -9,10 +9,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('activities', function (Blueprint $table) {
             $table->renameColumn('key', 'type');
@@ -32,10 +30,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         DB::table('activities')
             ->whereNull('entity_id')
diff --git a/database/migrations/2020_12_30_173528_add_owned_by_field_to_entities.php b/database/migrations/2020_12_30_173528_add_owned_by_field_to_entities.php
index d9fab7f02..965a061d8 100644
--- a/database/migrations/2020_12_30_173528_add_owned_by_field_to_entities.php
+++ b/database/migrations/2020_12_30_173528_add_owned_by_field_to_entities.php
@@ -9,10 +9,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         $tables = ['pages', 'books', 'chapters', 'bookshelves'];
         foreach ($tables as $table) {
@@ -30,10 +28,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         $tables = ['pages', 'books', 'chapters', 'bookshelves'];
         foreach ($tables as $table) {
diff --git a/database/migrations/2021_01_30_225441_add_settings_type_column.php b/database/migrations/2021_01_30_225441_add_settings_type_column.php
index 5d83d15f1..367b93a89 100644
--- a/database/migrations/2021_01_30_225441_add_settings_type_column.php
+++ b/database/migrations/2021_01_30_225441_add_settings_type_column.php
@@ -8,10 +8,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('settings', function (Blueprint $table) {
             $table->string('type', 50)->default('string');
@@ -20,10 +18,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('settings', function (Blueprint $table) {
             $table->dropColumn('type');
diff --git a/database/migrations/2021_03_08_215138_add_user_slug.php b/database/migrations/2021_03_08_215138_add_user_slug.php
index c0e1313a7..af01d6672 100644
--- a/database/migrations/2021_03_08_215138_add_user_slug.php
+++ b/database/migrations/2021_03_08_215138_add_user_slug.php
@@ -2,6 +2,7 @@
 
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Schema;
 use Illuminate\Support\Str;
 
@@ -9,10 +10,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('users', function (Blueprint $table) {
             $table->string('slug', 180);
@@ -38,10 +37,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('users', function (Blueprint $table) {
             $table->dropColumn('slug');
diff --git a/database/migrations/2021_05_15_173110_create_favourites_table.php b/database/migrations/2021_05_15_173110_create_favourites_table.php
index cdd7f4f64..73fa1b24b 100644
--- a/database/migrations/2021_05_15_173110_create_favourites_table.php
+++ b/database/migrations/2021_05_15_173110_create_favourites_table.php
@@ -8,10 +8,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::create('favourites', function (Blueprint $table) {
             $table->increments('id');
@@ -26,10 +24,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::dropIfExists('favourites');
     }
diff --git a/database/migrations/2021_06_30_173111_create_mfa_values_table.php b/database/migrations/2021_06_30_173111_create_mfa_values_table.php
index d145bf4ae..ea45b8ce1 100644
--- a/database/migrations/2021_06_30_173111_create_mfa_values_table.php
+++ b/database/migrations/2021_06_30_173111_create_mfa_values_table.php
@@ -8,10 +8,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::create('mfa_values', function (Blueprint $table) {
             $table->increments('id');
@@ -24,10 +22,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::dropIfExists('mfa_values');
     }
diff --git a/database/migrations/2021_07_03_085038_add_mfa_enforced_to_roles_table.php b/database/migrations/2021_07_03_085038_add_mfa_enforced_to_roles_table.php
index 8a180f088..b8f8b1cff 100644
--- a/database/migrations/2021_07_03_085038_add_mfa_enforced_to_roles_table.php
+++ b/database/migrations/2021_07_03_085038_add_mfa_enforced_to_roles_table.php
@@ -8,10 +8,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('roles', function (Blueprint $table) {
             $table->boolean('mfa_enforced');
@@ -20,10 +18,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('roles', function (Blueprint $table) {
             $table->dropColumn('mfa_enforced');
diff --git a/database/migrations/2021_08_28_161743_add_export_role_permission.php b/database/migrations/2021_08_28_161743_add_export_role_permission.php
index 3bacab20b..21f45aa06 100644
--- a/database/migrations/2021_08_28_161743_add_export_role_permission.php
+++ b/database/migrations/2021_08_28_161743_add_export_role_permission.php
@@ -8,10 +8,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         // Create new templates-manage permission and assign to admin role
         $roles = DB::table('roles')->get('id');
@@ -34,10 +32,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         // Remove content-export permission
         $contentExportPermission = DB::table('role_permissions')
diff --git a/database/migrations/2021_09_26_044614_add_activities_ip_column.php b/database/migrations/2021_09_26_044614_add_activities_ip_column.php
index 5f8a95002..6c21f4b26 100644
--- a/database/migrations/2021_09_26_044614_add_activities_ip_column.php
+++ b/database/migrations/2021_09_26_044614_add_activities_ip_column.php
@@ -8,10 +8,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('activities', function (Blueprint $table) {
             $table->string('ip', 45)->after('user_id');
@@ -20,10 +18,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('activities', function (Blueprint $table) {
             $table->dropColumn('ip');
diff --git a/database/migrations/2021_11_26_070438_add_index_for_user_ip.php b/database/migrations/2021_11_26_070438_add_index_for_user_ip.php
index 564e68a6d..9a0171bde 100644
--- a/database/migrations/2021_11_26_070438_add_index_for_user_ip.php
+++ b/database/migrations/2021_11_26_070438_add_index_for_user_ip.php
@@ -8,10 +8,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('activities', function (Blueprint $table) {
             $table->index('ip', 'activities_ip_index');
@@ -20,10 +18,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('activities', function (Blueprint $table) {
             $table->dropIndex('activities_ip_index');
diff --git a/database/migrations/2021_12_07_111343_create_webhooks_table.php b/database/migrations/2021_12_07_111343_create_webhooks_table.php
index 15d4851d6..69be2273d 100644
--- a/database/migrations/2021_12_07_111343_create_webhooks_table.php
+++ b/database/migrations/2021_12_07_111343_create_webhooks_table.php
@@ -8,10 +8,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::create('webhooks', function (Blueprint $table) {
             $table->increments('id');
@@ -37,10 +35,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::dropIfExists('webhooks');
         Schema::dropIfExists('webhook_tracked_events');
diff --git a/database/migrations/2021_12_13_152024_create_jobs_table.php b/database/migrations/2021_12_13_152024_create_jobs_table.php
index a786a8910..6098d9b12 100644
--- a/database/migrations/2021_12_13_152024_create_jobs_table.php
+++ b/database/migrations/2021_12_13_152024_create_jobs_table.php
@@ -8,10 +8,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::create('jobs', function (Blueprint $table) {
             $table->bigIncrements('id');
@@ -26,10 +24,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::dropIfExists('jobs');
     }
diff --git a/database/migrations/2021_12_13_152120_create_failed_jobs_table.php b/database/migrations/2021_12_13_152120_create_failed_jobs_table.php
index 17191986b..249da8171 100644
--- a/database/migrations/2021_12_13_152120_create_failed_jobs_table.php
+++ b/database/migrations/2021_12_13_152120_create_failed_jobs_table.php
@@ -8,10 +8,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::create('failed_jobs', function (Blueprint $table) {
             $table->id();
@@ -26,10 +24,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::dropIfExists('failed_jobs');
     }
diff --git a/database/migrations/2022_01_03_154041_add_webhooks_timeout_error_columns.php b/database/migrations/2022_01_03_154041_add_webhooks_timeout_error_columns.php
index cb26fa26a..968568d33 100644
--- a/database/migrations/2022_01_03_154041_add_webhooks_timeout_error_columns.php
+++ b/database/migrations/2022_01_03_154041_add_webhooks_timeout_error_columns.php
@@ -8,10 +8,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('webhooks', function (Blueprint $table) {
             $table->unsignedInteger('timeout')->default(3);
@@ -23,10 +21,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('webhooks', function (Blueprint $table) {
             $table->dropColumn('timeout');
diff --git a/database/migrations/2022_04_17_101741_add_editor_change_field_and_permission.php b/database/migrations/2022_04_17_101741_add_editor_change_field_and_permission.php
index 17ed0fba0..568e26512 100644
--- a/database/migrations/2022_04_17_101741_add_editor_change_field_and_permission.php
+++ b/database/migrations/2022_04_17_101741_add_editor_change_field_and_permission.php
@@ -10,10 +10,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         // Add the new 'editor' column to the pages table
         Schema::table('pages', function (Blueprint $table) {
@@ -46,10 +44,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         // Drop the new column from the pages table
         Schema::table('pages', function (Blueprint $table) {
diff --git a/database/migrations/2022_04_25_140741_update_polymorphic_types.php b/database/migrations/2022_04_25_140741_update_polymorphic_types.php
index 2ec45e7d1..00e1e0688 100644
--- a/database/migrations/2022_04_25_140741_update_polymorphic_types.php
+++ b/database/migrations/2022_04_25_140741_update_polymorphic_types.php
@@ -32,10 +32,8 @@ return new class extends Migration
 
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         foreach ($this->columnsByTable as $table => $column) {
             foreach ($this->changeMap as $oldVal => $newVal) {
@@ -48,10 +46,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         foreach ($this->columnsByTable as $table => $column) {
             foreach ($this->changeMap as $oldVal => $newVal) {
diff --git a/database/migrations/2022_07_16_170051_drop_joint_permission_type.php b/database/migrations/2022_07_16_170051_drop_joint_permission_type.php
index ac52af2a6..a05290e8a 100644
--- a/database/migrations/2022_07_16_170051_drop_joint_permission_type.php
+++ b/database/migrations/2022_07_16_170051_drop_joint_permission_type.php
@@ -9,10 +9,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         DB::table('joint_permissions')
             ->where('action', '!=', 'view')
@@ -27,10 +25,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('joint_permissions', function (Blueprint $table) {
             $table->string('action');
diff --git a/database/migrations/2022_08_17_092941_create_references_table.php b/database/migrations/2022_08_17_092941_create_references_table.php
index 4b688c43e..e2580289d 100644
--- a/database/migrations/2022_08_17_092941_create_references_table.php
+++ b/database/migrations/2022_08_17_092941_create_references_table.php
@@ -8,10 +8,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::create('references', function (Blueprint $table) {
             $table->id();
@@ -24,10 +22,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::dropIfExists('references');
     }
diff --git a/database/migrations/2022_09_02_082910_fix_shelf_cover_image_types.php b/database/migrations/2022_09_02_082910_fix_shelf_cover_image_types.php
index b8c23671d..aecb4bca3 100644
--- a/database/migrations/2022_09_02_082910_fix_shelf_cover_image_types.php
+++ b/database/migrations/2022_09_02_082910_fix_shelf_cover_image_types.php
@@ -7,10 +7,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         // This updates the 'type' field for images, uploaded as shelf cover images,
         // to be cover_bookshelf instead of cover_book.
@@ -32,10 +30,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         DB::table('images')
             ->where('type', '=', 'cover_bookshelf')
diff --git a/database/migrations/2022_10_07_091406_flatten_entity_permissions_table.php b/database/migrations/2022_10_07_091406_flatten_entity_permissions_table.php
index f1072102f..a086796e9 100644
--- a/database/migrations/2022_10_07_091406_flatten_entity_permissions_table.php
+++ b/database/migrations/2022_10_07_091406_flatten_entity_permissions_table.php
@@ -10,10 +10,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         // Remove entries for non-existing roles (Caused by previous lack of deletion handling)
         $roleIds = DB::table('roles')->pluck('id');
@@ -63,10 +61,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         // Create old table structure for entity_permissions
         Schema::create('old_entity_permissions', function (Blueprint $table) {
diff --git a/database/migrations/2022_10_08_104202_drop_entity_restricted_field.php b/database/migrations/2022_10_08_104202_drop_entity_restricted_field.php
index b2987674d..8e45d9ea5 100644
--- a/database/migrations/2022_10_08_104202_drop_entity_restricted_field.php
+++ b/database/migrations/2022_10_08_104202_drop_entity_restricted_field.php
@@ -11,10 +11,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         // Remove entity-permissions on non-restricted entities
         $deleteInactiveEntityPermissions = function (string $table, string $morphClass) {
@@ -61,10 +59,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         // Create restricted columns
         $createRestrictedColumn = fn(Blueprint $table) => $table->boolean('restricted')->index()->default(0);
diff --git a/database/migrations/2023_01_24_104625_refactor_joint_permissions_storage.php b/database/migrations/2023_01_24_104625_refactor_joint_permissions_storage.php
index 53994c52b..0e25c1d60 100644
--- a/database/migrations/2023_01_24_104625_refactor_joint_permissions_storage.php
+++ b/database/migrations/2023_01_24_104625_refactor_joint_permissions_storage.php
@@ -10,10 +10,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         // Truncate before schema changes to avoid performance issues
         // since we'll need to rebuild anyway.
@@ -34,10 +32,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         DB::table('joint_permissions')->truncate();
 
diff --git a/database/migrations/2023_01_28_141230_copy_color_settings_for_dark_mode.php b/database/migrations/2023_01_28_141230_copy_color_settings_for_dark_mode.php
index 5187dabf4..6f137eca7 100644
--- a/database/migrations/2023_01_28_141230_copy_color_settings_for_dark_mode.php
+++ b/database/migrations/2023_01_28_141230_copy_color_settings_for_dark_mode.php
@@ -7,10 +7,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         $colorSettings = [
             'app-color',
@@ -45,10 +43,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         $colorSettings = [
             'app-color-dark',
diff --git a/database/migrations/2023_02_20_093655_increase_attachments_path_length.php b/database/migrations/2023_02_20_093655_increase_attachments_path_length.php
index f7cb64ce6..b2a81d49e 100644
--- a/database/migrations/2023_02_20_093655_increase_attachments_path_length.php
+++ b/database/migrations/2023_02_20_093655_increase_attachments_path_length.php
@@ -8,10 +8,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('attachments', function (Blueprint $table) {
             $table->text('path')->change();
@@ -20,10 +18,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('attachments', function (Blueprint $table) {
             $table->string('path')->change();
diff --git a/database/migrations/2023_02_23_200227_add_updated_at_index_to_pages.php b/database/migrations/2023_02_23_200227_add_updated_at_index_to_pages.php
index 115bbb0c0..c3dc3fb0a 100644
--- a/database/migrations/2023_02_23_200227_add_updated_at_index_to_pages.php
+++ b/database/migrations/2023_02_23_200227_add_updated_at_index_to_pages.php
@@ -8,10 +8,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('pages', function (Blueprint $table) {
             $table->index('updated_at', 'pages_updated_at_index');
@@ -20,10 +18,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('pages', function (Blueprint $table) {
             $table->dropIndex('pages_updated_at_index');
diff --git a/database/migrations/2023_06_10_071823_remove_guest_user_secondary_roles.php b/database/migrations/2023_06_10_071823_remove_guest_user_secondary_roles.php
index 8d04efdd9..05f6be4a1 100644
--- a/database/migrations/2023_06_10_071823_remove_guest_user_secondary_roles.php
+++ b/database/migrations/2023_06_10_071823_remove_guest_user_secondary_roles.php
@@ -7,10 +7,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         $guestUserId = DB::table('users')
             ->where('system_name', '=', 'public')
@@ -36,8 +34,6 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
     public function down()
     {
diff --git a/database/migrations/2023_06_25_181952_remove_bookshelf_create_entity_permissions.php b/database/migrations/2023_06_25_181952_remove_bookshelf_create_entity_permissions.php
index b5dcaee75..540491d3b 100644
--- a/database/migrations/2023_06_25_181952_remove_bookshelf_create_entity_permissions.php
+++ b/database/migrations/2023_06_25_181952_remove_bookshelf_create_entity_permissions.php
@@ -7,8 +7,6 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
     public function up()
     {
@@ -20,8 +18,6 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
     public function down()
     {
diff --git a/database/migrations/2023_07_25_124945_add_receive_notifications_role_permissions.php b/database/migrations/2023_07_25_124945_add_receive_notifications_role_permissions.php
index 4872e421e..79e45a762 100644
--- a/database/migrations/2023_07_25_124945_add_receive_notifications_role_permissions.php
+++ b/database/migrations/2023_07_25_124945_add_receive_notifications_role_permissions.php
@@ -2,15 +2,14 @@
 
 use Carbon\Carbon;
 use Illuminate\Database\Migrations\Migration;
+use Illuminate\Support\Facades\DB;
 
 return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         // Create new receive-notifications permission and assign to admin role
         $permissionId = DB::table('role_permissions')->insertGetId([
@@ -29,10 +28,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         $permission = DB::table('role_permissions')
             ->where('name', '=', 'receive-notifications')
diff --git a/database/migrations/2023_07_31_104430_create_watches_table.php b/database/migrations/2023_07_31_104430_create_watches_table.php
index e2a5c20d0..cf2c7f105 100644
--- a/database/migrations/2023_07_31_104430_create_watches_table.php
+++ b/database/migrations/2023_07_31_104430_create_watches_table.php
@@ -8,10 +8,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::create('watches', function (Blueprint $table) {
             $table->increments('id');
@@ -27,10 +25,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::dropIfExists('watches');
     }
diff --git a/database/migrations/2023_08_21_174248_increase_cache_size.php b/database/migrations/2023_08_21_174248_increase_cache_size.php
index 865472c2e..bca7f9fc3 100644
--- a/database/migrations/2023_08_21_174248_increase_cache_size.php
+++ b/database/migrations/2023_08_21_174248_increase_cache_size.php
@@ -8,10 +8,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('cache', function (Blueprint $table) {
             $table->mediumText('value')->change();
@@ -20,10 +18,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('cache', function (Blueprint $table) {
             $table->text('value')->change();
diff --git a/database/migrations/2023_12_02_104541_add_default_template_to_books.php b/database/migrations/2023_12_02_104541_add_default_template_to_books.php
index c23bebc2e..bfc480a2e 100644
--- a/database/migrations/2023_12_02_104541_add_default_template_to_books.php
+++ b/database/migrations/2023_12_02_104541_add_default_template_to_books.php
@@ -8,10 +8,8 @@ class AddDefaultTemplateToBooks extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('books', function (Blueprint $table) {
             $table->integer('default_template_id')->nullable()->default(null);
@@ -20,10 +18,8 @@ class AddDefaultTemplateToBooks extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('books', function (Blueprint $table) {
             $table->dropColumn('default_template_id');
diff --git a/database/migrations/2023_12_17_140913_add_description_html_to_entities.php b/database/migrations/2023_12_17_140913_add_description_html_to_entities.php
index 68c52e81b..781197e60 100644
--- a/database/migrations/2023_12_17_140913_add_description_html_to_entities.php
+++ b/database/migrations/2023_12_17_140913_add_description_html_to_entities.php
@@ -8,10 +8,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         $addColumn = fn(Blueprint $table) => $table->text('description_html');
 
@@ -22,10 +20,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         $removeColumn = fn(Blueprint $table) => $table->removeColumn('description_html');
 
diff --git a/database/migrations/2024_01_01_104542_add_default_template_to_chapters.php b/database/migrations/2024_01_01_104542_add_default_template_to_chapters.php
index b3a103a01..77df82272 100644
--- a/database/migrations/2024_01_01_104542_add_default_template_to_chapters.php
+++ b/database/migrations/2024_01_01_104542_add_default_template_to_chapters.php
@@ -8,10 +8,8 @@ class AddDefaultTemplateToChapters extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('chapters', function (Blueprint $table) {
             $table->integer('default_template_id')->nullable()->default(null);
@@ -20,10 +18,8 @@ class AddDefaultTemplateToChapters extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('chapters', function (Blueprint $table) {
             $table->dropColumn('default_template_id');
diff --git a/database/migrations/2024_02_04_141358_add_views_updated_index.php b/database/migrations/2024_02_04_141358_add_views_updated_index.php
index a643b3a1e..bc7538678 100644
--- a/database/migrations/2024_02_04_141358_add_views_updated_index.php
+++ b/database/migrations/2024_02_04_141358_add_views_updated_index.php
@@ -8,10 +8,8 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
-     *
-     * @return void
      */
-    public function up()
+    public function up(): void
     {
         Schema::table('views', function (Blueprint $table) {
             $table->index(['updated_at'], 'views_updated_at_index');
@@ -20,10 +18,8 @@ return new class extends Migration
 
     /**
      * Reverse the migrations.
-     *
-     * @return void
      */
-    public function down()
+    public function down(): void
     {
         Schema::table('views', function (Blueprint $table) {
             $table->dropIndex('views_updated_at_index');