diff --git a/src/Discord/Helpers/CollectionInterface.php b/src/Discord/Helpers/CollectionInterface.php
index 679ae2d05..75e3dff7e 100644
--- a/src/Discord/Helpers/CollectionInterface.php
+++ b/src/Discord/Helpers/CollectionInterface.php
@@ -22,7 +22,8 @@ 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 $items): self;
+    public function shift();
+    public function fill($items): self;
     public function push(...$items): self;
     public function pushItem($item): self;
     public function count(): int;
@@ -35,9 +36,17 @@ public function find(callable $callback);
     public function clear(): void;
     public function slice(int $offset, ?int $length, bool $preserve_keys = false);
     public function sort(callable|int|null $callback);
+    public function walk(callable $callback, mixed $arg);
+    public function reduce(callable $callback, $initial = null);
     public function map(callable $callback);
     public function merge($collection): self;
     public function toArray();
+    public function collect();
+    public function keys(): array;
+    public function values(): array;
+    public function diff($items, ?callable $callback);
+    public function intersect($items, ?callable $callback);
+    public function unique(int $flags = SORT_STRING);
     public function offsetExists($offset): bool;
     #[\ReturnTypeWillChange]
     public function offsetGet($offset);
@@ -46,7 +55,7 @@ public function offsetUnset($offset): void;
     public function serialize(int $flags = 0, ?int $depth = 512): string;
     public function __serialize(): array;
     public function unserialize(string $serialized): void;
-    public function __unserialize(array $data): void;
+    public function __unserialize($data): void;
     public function jsonSerialize(): array;
     public function getIterator(): Traversable;
     public function __debugInfo(): array;
diff --git a/src/Discord/Helpers/CollectionTrait.php b/src/Discord/Helpers/CollectionTrait.php
index 2b70a4b0a..62566b577 100644
--- a/src/Discord/Helpers/CollectionTrait.php
+++ b/src/Discord/Helpers/CollectionTrait.php
@@ -18,7 +18,7 @@ trait CollectionTrait
      *
      * @param array       $items
      * @param ?string     $discrim
-     * @param string|null $class
+     * @param ?string     $class
      */
     public function __construct(array $items = [], ?string $discrim = 'id', ?string $class = null)
     {
@@ -32,7 +32,7 @@ public function __construct(array $items = [], ?string $discrim = 'id', ?string
      *
      * @param array       $items
      * @param ?string     $discrim
-     * @param string|null $class
+     * @param ?string     $class
      *
      * @return static
      */
@@ -113,15 +113,40 @@ public function pull($key, $default = null)
         return $default;
     }
 
+    /**
+     * Shifts an item from the collection.
+     *
+     * @return mixed
+     */
+    public function shift()
+    {
+        if (empty($this->items)) {
+            return null;
+        }
+
+        reset($this->items);
+        $key = key($this->items);
+        $value = array_shift($this->items);
+
+        return [$key => $value];
+    }
+
     /**
      * Fills an array of items into the collection.
      *
-     * @param array $items
+     * @param CollectionInterface|array $items
      *
      * @return self
      */
-    public function fill(array $items): self
+    public function fill($items): self
     {
+        if ($items instanceof CollectionInterface) {
+            $items = $items->toArray();
+        }
+        if (! is_array($items)) {
+            throw new \InvalidArgumentException('The fill method only accepts arrays or CollectionInterface instances.');
+        }
+
         foreach ($items as $item) {
             $this->pushItem($item);
         }
@@ -298,8 +323,8 @@ public function clear(): void
     /**
      * Slices the collection.
      *
-     * @param int $offset
-     * @param null|int $length
+     * @param int  $offset
+     * @param ?int $length
      * @param bool $preserve_keys
      *
      * @return CollectionInterface
@@ -331,6 +356,88 @@ public function sort(callable|int|null $callback)
         return new Collection($items, $this->discrim, $this->class);
     }
 
+    /**
+     * Gets the difference between the items.
+     *
+     * If a callback is provided and is callable, it uses `array_udiff_assoc` to compute the difference.
+     * Otherwise, it uses `array_diff`.
+     *
+     * @param CollectionInterface|array $array
+     * @param ?callable                 $callback
+     *
+     * @return CollectionInterface
+     */
+    public function diff($items, ?callable $callback)
+    {
+        $items = $items instanceof CollectionInterface
+            ? $items->toArray()
+            : $items;
+
+        $diff = $callback && is_callable($callback)
+            ? array_udiff_assoc($this->items, $items, $callback)
+            : array_diff($this->items, $items);
+
+        return new Collection($diff, $this->discrim, $this->class);
+    }
+
+    /**
+     * Gets the intersection of the items.
+     *
+     * If a callback is provided and is callable, it uses `array_uintersect_assoc` to compute the intersection.
+     * Otherwise, it uses `array_intersect`.
+     *
+     * @param CollectionInterface|array $array
+     * @param ?callable                 $callback
+     *
+     * @return CollectionInterface
+     */
+    public function intersect($items, ?callable $callback)
+    {
+        $items = $items instanceof CollectionInterface
+            ? $items->toArray()
+            : $items;
+
+        $diff = $callback && is_callable($callback)
+            ? array_uintersect_assoc($this->items, $items, $callback)
+            : array_intersect($this->items, $items);
+
+        return new Collection($diff, $this->discrim, $this->class);
+    }
+
+    /**
+     * Applies the given callback function to each item in the collection.
+     *
+     * @param callable $callback
+     * @param mixed    $arg
+     *
+     * @return CollectionInterface
+     */
+    public function walk(callable $callback, mixed $arg)
+    {
+        $items = $this->items;
+
+        array_walk($items, $callback, $arg);
+
+        return new Collection($items, $this->discrim, $this->class);
+    }
+
+    /**
+     * Reduces the collection to a single value using a callback function.
+     *
+     * @param callable $callback
+     * @param ?mixed   $initial
+     *
+     * @return CollectionInterface
+     */
+    public function reduce(callable $callback, $initial = null)
+    {
+        $items = $this->items;
+
+        $items = array_reduce($items, $callback, $initial);
+
+        return new Collection($items, $this->discrim, $this->class);
+    }
+
     /**
      * Runs a callback over the collection and creates a new static.
      *
@@ -346,6 +453,18 @@ public function map(callable $callback)
         return new Collection(array_combine($keys, $values), $this->discrim, $this->class);
     }
 
+    /**
+     * Returns unique items.
+     *
+     * @param int   $flags
+     *
+     * @return CollectionInterface
+     */
+    public function unique(int $flags = SORT_STRING)
+    {
+        return new Collection(array_unique($this->items, $flags), $this->discrim, $this->class);
+    }
+
     /**
      * Merges another collection into this collection.
      *
@@ -355,7 +474,11 @@ public function map(callable $callback)
      */
     public function merge($collection): self
     {
-        $this->items = array_merge($this->items, $collection->toArray());
+        $items = $collection instanceof CollectionInterface
+            ? $collection->toArray()
+            : $collection;
+
+        $this->items = array_merge($this->items, $items);
 
         return $this;
     }
@@ -370,6 +493,16 @@ public function toArray()
         return $this->items;
     }
 
+    /**
+     * Converts the items into a new collection.
+     *
+     * @return CollectionInterface
+     */
+    public function collect()
+    {
+        return new Collection($this->items, $this->discrim, $this->class);
+    }
+
     /**
      * @since 11.0.0
      *
@@ -382,6 +515,16 @@ public function keys(): array
         return array_keys($this->items);
     }
 
+    /**
+     * Get the values of the items.
+     *
+     * @return array
+     */
+    public function values(): array
+    {
+        return array_values($this->items);
+    }
+
     /**
      * If the collection has an offset.
      *
@@ -431,6 +574,9 @@ public function offsetUnset($offset): void
     /**
      * Returns the string representation of the collection.
      *
+     * @param int  $flags
+     * @param ?int $depth
+     *
      * @return string
      */
     public function serialize(int $flags = 0, ?int $depth = 512): string
@@ -461,10 +607,17 @@ public function unserialize(string $serialized): void
     /**
      * Unserializes the collection.
      *
-     * @param array $data
+     * @param CollectionInterface|array $data
      */
-    public function __unserialize(array $data): void
+    public function __unserialize($data): void
     {
+        if ($data instanceof CollectionInterface) {
+            $data = $data->toArray();
+        }
+        if (! is_array($data)) {
+            throw new \InvalidArgumentException('The __unserialize method only accepts arrays or CollectionInterface instances.');
+        }
+
         $this->items = $data;
     }
 
diff --git a/src/Discord/Parts/Channel/Channel.php b/src/Discord/Parts/Channel/Channel.php
index 75deb273e..fd825057a 100644
--- a/src/Discord/Parts/Channel/Channel.php
+++ b/src/Discord/Parts/Channel/Channel.php
@@ -15,6 +15,7 @@
 use Discord\Builders\MessageBuilder;
 use Discord\Exceptions\InvalidOverwriteException;
 use Discord\Helpers\Collection;
+use Discord\Helpers\CollectionInterface;
 use Discord\Parts\Embed\Embed;
 use Discord\Parts\Guild\Guild;
 use Discord\Parts\Guild\Role;
@@ -253,7 +254,7 @@ protected function getRecipientIdAttribute(): ?string
      *
      * @return Collection A collection of recipients.
      */
-    protected function getRecipientsAttribute(): Collection
+    protected function getRecipientsAttribute(): CollectionInterface
     {
         $recipients = Collection::for(User::class);
 
@@ -999,7 +1000,7 @@ protected function getPermissionOverwritesAttribute(): ?array
      *
      * @since 7.4.0
      */
-    protected function getAvailableTagsAttribute(): Collection
+    protected function getAvailableTagsAttribute(): CollectionInterface
     {
         $available_tags = Collection::for(Tag::class);
 
diff --git a/src/Discord/Parts/Channel/Message.php b/src/Discord/Parts/Channel/Message.php
index ebe1485c7..844ecace6 100644
--- a/src/Discord/Parts/Channel/Message.php
+++ b/src/Discord/Parts/Channel/Message.php
@@ -14,6 +14,7 @@
 use Carbon\Carbon;
 use Discord\Builders\MessageBuilder;
 use Discord\Helpers\Collection;
+use Discord\Helpers\CollectionInterface;
 use Discord\Parts\Channel\Poll;
 use Discord\Parts\Embed\Embed;
 use Discord\Parts\Guild\Emoji;
@@ -336,7 +337,7 @@ protected function getSuppressNotificationsAttribute(): bool
      *
      * @return Collection|Channel[]
      */
-    protected function getMentionChannelsAttribute(): Collection
+    protected function getMentionChannelsAttribute(): CollectionInterface
     {
         $collection = Collection::for(Channel::class);
 
@@ -360,7 +361,7 @@ protected function getMentionChannelsAttribute(): Collection
      *
      * @return Collection|Attachment[] Attachment objects.
      */
-    protected function getAttachmentsAttribute(): Collection
+    protected function getAttachmentsAttribute(): CollectionInterface
     {
         $attachments = Collection::for(Attachment::class);
 
@@ -492,7 +493,7 @@ protected function getGuildAttribute(): ?Guild
      *
      * @return Collection<?Role> The roles that were mentioned. null role only contains the ID in the collection.
      */
-    protected function getMentionRolesAttribute(): Collection
+    protected function getMentionRolesAttribute(): CollectionInterface
     {
         $roles = new Collection();
 
@@ -516,7 +517,7 @@ protected function getMentionRolesAttribute(): Collection
      *
      * @return Collection|User[] The users that were mentioned.
      */
-    protected function getMentionsAttribute(): Collection
+    protected function getMentionsAttribute(): CollectionInterface
     {
         $users = Collection::for(User::class);
 
@@ -583,7 +584,7 @@ protected function getMemberAttribute(): ?Member
      *
      * @return Collection<Embed> A collection of embeds.
      */
-    protected function getEmbedsAttribute(): Collection
+    protected function getEmbedsAttribute(): CollectionInterface
     {
         $embeds = new Collection([], null);
 
diff --git a/src/Discord/Parts/Embed/Embed.php b/src/Discord/Parts/Embed/Embed.php
index 811635a39..8d0bc3c29 100644
--- a/src/Discord/Parts/Embed/Embed.php
+++ b/src/Discord/Parts/Embed/Embed.php
@@ -13,6 +13,7 @@
 
 use Carbon\Carbon;
 use Discord\Helpers\Collection;
+use Discord\Helpers\CollectionInterface;
 use Discord\Parts\Channel\Attachment;
 use Discord\Parts\Part;
 use function Discord\poly_strlen;
@@ -137,7 +138,7 @@ protected function getAuthorAttribute(): Author
      *
      * @return Collection|Field[]
      */
-    protected function getFieldsAttribute(): Collection
+    protected function getFieldsAttribute(): CollectionInterface
     {
         $fields = Collection::for(Field::class, null);
 
diff --git a/src/Discord/Parts/Guild/AuditLog/AuditLog.php b/src/Discord/Parts/Guild/AuditLog/AuditLog.php
index 1cba91e8a..13cf16be6 100644
--- a/src/Discord/Parts/Guild/AuditLog/AuditLog.php
+++ b/src/Discord/Parts/Guild/AuditLog/AuditLog.php
@@ -12,6 +12,7 @@
 namespace Discord\Parts\Guild\AuditLog;
 
 use Discord\Helpers\Collection;
+use Discord\Helpers\CollectionInterface;
 use Discord\Parts\Channel\Webhook;
 use Discord\Parts\Guild\AutoModeration\Rule;
 use Discord\Parts\Guild\Guild;
@@ -76,7 +77,7 @@ protected function getGuildAttribute(): ?Guild
      *
      * @return Collection|Command[]
      */
-    protected function getApplicationCommandsAttribute(): Collection
+    protected function getApplicationCommandsAttribute(): CollectionInterface
     {
         $collection = Collection::for(Command::class);
 
@@ -92,7 +93,7 @@ protected function getApplicationCommandsAttribute(): Collection
      *
      * @return Collection|Entry[]
      */
-    protected function getAuditLogEntriesAttribute(): Collection
+    protected function getAuditLogEntriesAttribute(): CollectionInterface
     {
         $collection = Collection::for(Entry::class);
 
@@ -108,7 +109,7 @@ protected function getAuditLogEntriesAttribute(): Collection
      *
      * @return Collection|Rule[]
      */
-    protected function getAutoModerationRulesAttribute(): Collection
+    protected function getAutoModerationRulesAttribute(): CollectionInterface
     {
         $collection = Collection::for(Rule::class);
 
@@ -124,7 +125,7 @@ protected function getAutoModerationRulesAttribute(): Collection
      *
      * @return Collection|ScheduledEvent[]
      */
-    protected function getGuildScheduledEventsAttribute(): Collection
+    protected function getGuildScheduledEventsAttribute(): CollectionInterface
     {
         $collection = Collection::for(ScheduledEvent::class);
 
@@ -142,7 +143,7 @@ protected function getGuildScheduledEventsAttribute(): Collection
      *
      * @return Collection|Integration[]
      */
-    protected function getIntegrationsAttribute(): Collection
+    protected function getIntegrationsAttribute(): CollectionInterface
     {
         $collection = Collection::for(Integration::class);
 
@@ -158,7 +159,7 @@ protected function getIntegrationsAttribute(): Collection
      *
      * @return Collection|Thread[]
      */
-    protected function getThreadsAttribute(): Collection
+    protected function getThreadsAttribute(): CollectionInterface
     {
         $collection = Collection::for(Thread::class);
 
@@ -174,7 +175,7 @@ protected function getThreadsAttribute(): Collection
      *
      * @return Collection|User[]
      */
-    protected function getUsersAttribute(): Collection
+    protected function getUsersAttribute(): CollectionInterface
     {
         $collection = Collection::for(User::class);
 
@@ -190,7 +191,7 @@ protected function getUsersAttribute(): Collection
      *
      * @return Collection|Webhook[]
      */
-    protected function getWebhooksAttribute(): Collection
+    protected function getWebhooksAttribute(): CollectionInterface
     {
         $collection = Collection::for(Webhook::class);
 
@@ -210,7 +211,7 @@ protected function getWebhooksAttribute(): Collection
      *
      * @return Collection|Entry[]
      */
-    public function searchByType(int $action_type): Collection
+    public function searchByType(int $action_type): CollectionInterface
     {
         $types = array_values((new ReflectionClass(Entry::class))->getConstants());
 
diff --git a/src/Discord/Parts/Guild/AuditLog/Entry.php b/src/Discord/Parts/Guild/AuditLog/Entry.php
index 70ccc9979..6ef005381 100644
--- a/src/Discord/Parts/Guild/AuditLog/Entry.php
+++ b/src/Discord/Parts/Guild/AuditLog/Entry.php
@@ -12,6 +12,7 @@
 namespace Discord\Parts\Guild\AuditLog;
 
 use Discord\Helpers\Collection;
+use Discord\Helpers\CollectionInterface;
 use Discord\Parts\Part;
 use Discord\Parts\User\User;
 
@@ -123,7 +124,7 @@ protected function getUserAttribute(): ?User
      *
      * @return Collection
      */
-    protected function getChangesAttribute(): Collection
+    protected function getChangesAttribute(): CollectionInterface
     {
         return new Collection($this->attributes['changes'] ?? [], 'key', null);
     }
diff --git a/src/Discord/Parts/Guild/AutoModeration/Rule.php b/src/Discord/Parts/Guild/AutoModeration/Rule.php
index 935f3e277..0d983ff89 100644
--- a/src/Discord/Parts/Guild/AutoModeration/Rule.php
+++ b/src/Discord/Parts/Guild/AutoModeration/Rule.php
@@ -12,6 +12,7 @@
 namespace Discord\Parts\Guild\AutoModeration;
 
 use Discord\Helpers\Collection;
+use Discord\Helpers\CollectionInterface;
 use Discord\Parts\Channel\Channel;
 use Discord\Parts\Guild\Guild;
 use Discord\Parts\Guild\Role;
@@ -100,7 +101,7 @@ protected function getCreatorAttribute(): ?User
      *
      * @return Collection|Action[] A collection of actions.
      */
-    protected function getActionsAttribute(): Collection
+    protected function getActionsAttribute(): CollectionInterface
     {
         $actions = Collection::for(Action::class, null);
 
@@ -116,7 +117,7 @@ protected function getActionsAttribute(): Collection
      *
      * @return Collection|?Role[] A collection of roles exempt from the rule.
      */
-    protected function getExemptRolesAttribute(): Collection
+    protected function getExemptRolesAttribute(): CollectionInterface
     {
         $roles = new Collection();
 
@@ -140,7 +141,7 @@ protected function getExemptRolesAttribute(): Collection
      *
      * @return Collection|?Channel[] A collection of channels exempt from the rule.
      */
-    protected function getExemptChannelsAttribute(): Collection
+    protected function getExemptChannelsAttribute(): CollectionInterface
     {
         $channels = new Collection();
 
diff --git a/src/Discord/Parts/Guild/CommandPermissions.php b/src/Discord/Parts/Guild/CommandPermissions.php
index 7d297419b..eabeb716a 100644
--- a/src/Discord/Parts/Guild/CommandPermissions.php
+++ b/src/Discord/Parts/Guild/CommandPermissions.php
@@ -13,6 +13,7 @@
 
 use Discord\Helpers\BigInt;
 use Discord\Helpers\Collection;
+use Discord\Helpers\CollectionInterface;
 use Discord\Parts\Interactions\Command\Permission;
 use Discord\Parts\Part;
 
@@ -57,7 +58,7 @@ protected function getGuildAttribute(): ?Guild
      *
      * @return Collection|Permission[] A collection of permissions.
      */
-    protected function getPermissionsAttribute(): Collection
+    protected function getPermissionsAttribute(): CollectionInterface
     {
         $permissions = Collection::for(Permission::class);
 
diff --git a/src/Discord/Parts/Guild/Emoji.php b/src/Discord/Parts/Guild/Emoji.php
index b353ee11b..ef730660d 100644
--- a/src/Discord/Parts/Guild/Emoji.php
+++ b/src/Discord/Parts/Guild/Emoji.php
@@ -12,6 +12,7 @@
 namespace Discord\Parts\Guild;
 
 use Discord\Helpers\Collection;
+use Discord\Helpers\CollectionInterface;
 use Discord\Parts\Part;
 use Discord\Parts\User\User;
 use Stringable;
@@ -69,7 +70,7 @@ protected function getGuildAttribute(): ?Guild
      *
      * @return Collection<?Role> A collection of roles for the emoji.
      */
-    protected function getRolesAttribute(): Collection
+    protected function getRolesAttribute(): CollectionInterface
     {
         $roles = new Collection();
 
diff --git a/src/Discord/Parts/Guild/Guild.php b/src/Discord/Parts/Guild/Guild.php
index 215bd8a76..a6bb12e83 100644
--- a/src/Discord/Parts/Guild/Guild.php
+++ b/src/Discord/Parts/Guild/Guild.php
@@ -14,6 +14,7 @@
 use Carbon\Carbon;
 use Discord\Exceptions\FileNotFoundException;
 use Discord\Helpers\Collection;
+use Discord\Helpers\CollectionInterface;
 use Discord\Helpers\Multipart;
 use Discord\Http\Endpoint;
 use Discord\Http\Exceptions\NoPermissionsException;
@@ -335,12 +336,22 @@ protected function setChannelsAttribute(?array $channels): void
     /**
      * Sets the roles attribute.
      *
-     * @param ?array $roles
+     * @param CollectionInterface|array|null $roles
      */
-    protected function setRolesAttribute(?array $roles): void
+    protected function setRolesAttribute($roles): void
     {
+        if ($roles instanceof CollectionInterface) {
+            $roles = $roles->toArray();
+        }
+        if ($roles === null) {
+            $roles = [];
+        }
+        if (! is_array($roles)) {
+            throw new \InvalidArgumentException('Roles must be an array or CollectionInterface.');
+        }
+
         $rolesDiscrim = $this->roles->discrim;
-        foreach ($roles ?? [] as $role) {
+        foreach ($roles as $role) {
             $role = (array) $role;
             /** @var ?Role */
             if ($rolePart = $this->roles->offsetGet($role[$rolesDiscrim])) {
@@ -570,7 +581,7 @@ protected function getSplashHashAttribute(): ?string
      *
      * @return Collection|StageInstance[]
      */
-    protected function getStageInstancesAttribute(): Collection
+    protected function getStageInstancesAttribute(): CollectionInterface
     {
         $stage_instances = Collection::for(StageInstance::class);
 
@@ -1106,16 +1117,23 @@ public function getBotPermissions(): ?RolePermission
      *
      * @link https://discord.com/developers/docs/resources/guild#modify-guild-role-positions
      *
-     * @param array $roles Associative array where the LHS key is the position,
-     *                     and the RHS value is a `Role` object or a string ID,
-     *                     e.g. `[1 => 'role_id_1', 3 => 'role_id_3']`.
+     * @param CollectionInterface|array $roles  Associative array where the LHS key is the position,
+     *                                              and the RHS value is a `Role` object or a string ID,
+     *                                              e.g. `[1 => 'role_id_1', 3 => 'role_id_3']`.
      *
      * @throws NoPermissionsException Missing manage_roles permission.
      *
      * @return PromiseInterface<self>
      */
-    public function updateRolePositions(array $roles): PromiseInterface
+    public function updateRolePositions($roles): PromiseInterface
     {
+        if ($roles instanceof CollectionInterface) {
+            $roles = $roles->toArray();
+        }
+        if (! is_array($roles)) {
+            return reject(new \InvalidArgumentException('Roles must be an array of Role instances or Role IDs.'));
+        }
+
         $botperms = $this->getBotPermissions();
         if ($botperms && ! $botperms->manage_roles) {
             return reject(new NoPermissionsException("You do not have permission to update role positions in the guild {$this->id}."));
diff --git a/src/Discord/Parts/Guild/WelcomeScreen.php b/src/Discord/Parts/Guild/WelcomeScreen.php
index 3ea37c850..5168537c5 100644
--- a/src/Discord/Parts/Guild/WelcomeScreen.php
+++ b/src/Discord/Parts/Guild/WelcomeScreen.php
@@ -12,6 +12,7 @@
 namespace Discord\Parts\Guild;
 
 use Discord\Helpers\Collection;
+use Discord\Helpers\CollectionInterface;
 use Discord\Parts\Part;
 
 /**
@@ -39,7 +40,7 @@ class WelcomeScreen extends Part
      *
      * @return Collection|WelcomeChannel[] The channels of welcome screen.
      */
-    protected function getWelcomeChannelsAttribute(): Collection
+    protected function getWelcomeChannelsAttribute(): CollectionInterface
     {
         $collection = Collection::for(WelcomeChannel::class, null);
 
diff --git a/src/Discord/Parts/Interactions/Command/Option.php b/src/Discord/Parts/Interactions/Command/Option.php
index 6900ff6be..79539666f 100644
--- a/src/Discord/Parts/Interactions/Command/Option.php
+++ b/src/Discord/Parts/Interactions/Command/Option.php
@@ -12,6 +12,7 @@
 namespace Discord\Parts\Interactions\Command;
 
 use Discord\Helpers\Collection;
+use Discord\Helpers\CollectionInterface;
 use Discord\Parts\Part;
 
 use function Discord\poly_strlen;
@@ -97,7 +98,7 @@ protected function getChoicesAttribute(): ?Collection
      *
      * @return Collection|Option[] A collection of options.
      */
-    protected function getOptionsAttribute(): Collection
+    protected function getOptionsAttribute(): CollectionInterface
     {
         $options = Collection::for(Option::class, null);
 
diff --git a/src/Discord/Parts/User/Member.php b/src/Discord/Parts/User/Member.php
index cdf2088e7..bbc52dda7 100644
--- a/src/Discord/Parts/User/Member.php
+++ b/src/Discord/Parts/User/Member.php
@@ -15,6 +15,7 @@
 use Discord\Builders\MessageBuilder;
 use Discord\Helpers\BigInt;
 use Discord\Helpers\Collection;
+use Discord\Helpers\CollectionInterface;
 use Discord\Http\Endpoint;
 use Discord\Http\Exceptions\NoPermissionsException;
 use Discord\Parts\Channel\Channel;
@@ -331,15 +332,22 @@ public function removeRole($role, ?string $reason = null): PromiseInterface
      *
      * @link https://discord.com/developers/docs/resources/guild#modify-guild-member
      *
-     * @param Role[]|string[] $roles  The roles to set to the member.
-     * @param string|null     $reason Reason for Audit Log.
+     * @param CollectionInterface|Role[]|string[] $roles  The roles to set to the member.
+     * @param string|null                         $reason Reason for Audit Log.
      *
      * @throws NoPermissionsException Missing manage_roles permission.
      *
      * @return PromiseInterface<self>
      */
-    public function setRoles(array $roles, ?string $reason = null): PromiseInterface
+    public function setRoles($roles, ?string $reason = null): PromiseInterface
     {
+        if ($roles instanceof CollectionInterface) {
+            $roles = $roles->toArray();
+        }
+        if (! is_array($roles)) {
+            return reject(new \InvalidArgumentException('Roles must be an array of Role instances or Role IDs.'));
+        }
+
         foreach ($roles as $i => $role) {
             if ($role instanceof Role) {
                 $roles[$i] = $role->id;
@@ -611,7 +619,7 @@ protected function getGameAttribute(): ?Activity
      *
      * @return Collection|Activity[]
      */
-    protected function getActivitiesAttribute(): Collection
+    protected function getActivitiesAttribute(): CollectionInterface
     {
         $activities = Collection::for(Activity::class, null);
 
@@ -687,7 +695,7 @@ protected function getGuildAttribute(): ?Guild
      *
      * @return Collection<?Role> A collection of roles the member is in. null role only contains ID in the collection.
      */
-    protected function getRolesAttribute(): Collection
+    protected function getRolesAttribute(): CollectionInterface
     {
         $roles = new Collection();
 
diff --git a/src/Discord/Parts/WebSockets/PresenceUpdate.php b/src/Discord/Parts/WebSockets/PresenceUpdate.php
index 911e9306b..f7133d956 100644
--- a/src/Discord/Parts/WebSockets/PresenceUpdate.php
+++ b/src/Discord/Parts/WebSockets/PresenceUpdate.php
@@ -12,6 +12,7 @@
 namespace Discord\Parts\WebSockets;
 
 use Discord\Helpers\Collection;
+use Discord\Helpers\CollectionInterface;
 use Discord\Parts\Guild\Guild;
 use Discord\Parts\Guild\Role;
 use Discord\Parts\Part;
@@ -95,7 +96,7 @@ protected function getGuildAttribute(): ?Guild
      *
      * @return Collection|Activity[]
      */
-    protected function getActivitiesAttribute(): Collection
+    protected function getActivitiesAttribute(): CollectionInterface
     {
         $collection = Collection::for(Activity::class, null);
 
@@ -165,7 +166,7 @@ protected function getMemberAttribute(): ?Member
      *
      * @return Collection|Role[]
      */
-    protected function getRolesAttribute(): Collection
+    protected function getRolesAttribute(): CollectionInterface
     {
         if ($member = $this->member) {
             return $member->roles;
diff --git a/src/Discord/Repository/AbstractRepositoryInterface.php b/src/Discord/Repository/AbstractRepositoryInterface.php
index edb6bf5eb..15bf94176 100644
--- a/src/Discord/Repository/AbstractRepositoryInterface.php
+++ b/src/Discord/Repository/AbstractRepositoryInterface.php
@@ -40,6 +40,7 @@ public function find(callable $callback);
     public function clear(): void;
     public function toArray(): array;
     public function keys(): array;
+    public function values(): array;
     public function offsetExists($offset): bool;
     #[\ReturnTypeWillChange]
     public function offsetGet($offset);
diff --git a/src/Discord/Repository/AbstractRepositoryTrait.php b/src/Discord/Repository/AbstractRepositoryTrait.php
index 2b4188fea..2ed029ee3 100644
--- a/src/Discord/Repository/AbstractRepositoryTrait.php
+++ b/src/Discord/Repository/AbstractRepositoryTrait.php
@@ -669,6 +669,16 @@ public function keys(): array
         return array_keys($this->items);
     }
 
+    /**
+     * Get the values of the items.
+     *
+     * @return array
+     */
+    public function values(): array
+    {
+        return array_values($this->items);
+    }
+
     /**
      * If the repository has an offset.
      *
diff --git a/src/Discord/Repository/Channel/ThreadRepository.php b/src/Discord/Repository/Channel/ThreadRepository.php
index e4dabada2..c700e1481 100644
--- a/src/Discord/Repository/Channel/ThreadRepository.php
+++ b/src/Discord/Repository/Channel/ThreadRepository.php
@@ -12,6 +12,7 @@
 namespace Discord\Repository\Channel;
 
 use Discord\Helpers\Collection;
+use Discord\Helpers\CollectionInterface;
 use Discord\Http\Endpoint;
 use Discord\Parts\Thread\Thread;
 use Discord\Repository\AbstractRepository;
@@ -152,7 +153,7 @@ public function archived(bool $private = false, bool $joined = false, ?int $limi
      *
      * @return Collection|Thread[]
      */
-    private function handleThreadPaginationResponse(object $response): Collection
+    private function handleThreadPaginationResponse(object $response): CollectionInterface
     {
         $collection = Collection::for(Thread::class);