Merge branch 'master' into v11

.github/FUNDING.yml

@@ -0,0 +1,2 @@
+github: [valzargaming, Log1x]
+patreon: DiscordPHP

src/Discord/DiscordCommandClient.php

@@ -98,8 +98,7 @@ public function __construct(array $options = [])
                     if (is_string($result)) {
                         $message
                             ->reply($result)
-                            ->then(null, $this->commandClientOptions['internalRejectedPromiseHandler'])
-                            ->then();
+                            ->then(null, $this->commandClientOptions['internalRejectedPromiseHandler']);
                     }
                 }
             });
@@ -161,8 +160,7 @@ public function __construct(array $options = [])
 
                     $message->channel
                         ->sendEmbed($embed)
-                        ->then(null, $this->commandClientOptions['internalRejectedPromiseHandler'])
-                        ->then();
+                        ->then(null, $this->commandClientOptions['internalRejectedPromiseHandler']);
 
                     return;
                 }
@@ -208,8 +206,7 @@ public function __construct(array $options = [])
 
                 $message->channel
                     ->sendEmbed($embed)
-                    ->then(null, $this->commandClientOptions['internalRejectedPromiseHandler'])
-                    ->then();
+                    ->then(null, $this->commandClientOptions['internalRejectedPromiseHandler']);
             }, [
                 'description' => 'Provides a list of commands available.',
                 'usage' => '[command]',

src/Discord/Helpers/CollectionInterface.php

@@ -22,9 +22,9 @@ interface CollectionInterface extends ArrayAccess, JsonSerializable, IteratorAgg
     public function get(string $discrim, $key);
     public function set($offset, $value);
     public function pull($key, $default = null);
-    public function fill(array $items);
-    public function push(...$items);
-    public function pushItem($item);
+    public function fill(array $items): self;
+    public function push(...$items): self;
+    public function pushItem($item): self;
     public function count(): int;
     public function first();
     public function last();
@@ -34,7 +34,7 @@ public function filter(callable $callback);
     public function find(callable $callback);
     public function clear(): void;
     public function map(callable $callback);
-    public function merge($collection);
+    public function merge($collection): self;
     public function toArray();
     public function offsetExists($offset): bool;
     #[\ReturnTypeWillChange]