Interface Illuminate\Contracts\Support\MessageBag

`extends`	`Arrayable, Countable`

Illuminate\Contracts\Support\MessageBag extends Arrayable, Countable
- Illuminate\Support\MessageBag implements Jsonable, JsonSerializable, MessageBag, MessageProvider, Stringable

Methods
`public`	`keys(): array` Get the keys present in the message bag. Get the keys present in the message bag. Implemented by `Illuminate\Support\MessageBag::keys()`	#
`public`	`add(string $key, string $message): $this` Add a message to the bag. Add a message to the bag. Implemented by `Illuminate\Support\MessageBag::add()`	#
`public`	`merge(MessageProvider\|array $messages): $this` Merge a new array of messages into the bag. Merge a new array of messages into the bag. Implemented by `Illuminate\Support\MessageBag::merge()`	#
`public`	`has(string\|array $key): bool` Determine if messages exist for a given key. Determine if messages exist for a given key. Implemented by `Illuminate\Support\MessageBag::has()`	#
`public`	`first(string\|null $key = null, string\|null $format = null): string` Get the first message from the bag for a given key. Get the first message from the bag for a given key. Implemented by `Illuminate\Support\MessageBag::first()`	#
`public`	`get(string $key, string\|null $format = null): array` Get all of the messages from the bag for a given key. Get all of the messages from the bag for a given key. Implemented by `Illuminate\Support\MessageBag::get()`	#
`public`	`all(string\|null $format = null): array` Get all of the messages for every key in the bag. Get all of the messages for every key in the bag. Implemented by `Illuminate\Support\MessageBag::all()`	#
`public`	`forget(string $key): $this` Remove a message from the bag. Remove a message from the bag. Implemented by `Illuminate\Support\MessageBag::forget()`	#
`public`	`getMessages(): array` Get the raw messages in the container. Get the raw messages in the container. Implemented by `Illuminate\Support\MessageBag::getMessages()`	#
`public`	`getFormat(): string` Get the default message format. Get the default message format. Implemented by `Illuminate\Support\MessageBag::getFormat()`	#
`public`	`setFormat(string $format = ':message'): $this` Set the default message format. Set the default message format. Implemented by `Illuminate\Support\MessageBag::setFormat()`	#
`public`	`isEmpty(): bool` Determine if the message bag has any messages. Determine if the message bag has any messages. Implemented by `Illuminate\Support\MessageBag::isEmpty()`	#
`public`	`isNotEmpty(): bool` Determine if the message bag has any messages. Determine if the message bag has any messages. Implemented by `Illuminate\Support\MessageBag::isNotEmpty()`	#

Methods inherited from Illuminate\Contracts\Support\Arrayable
`toArray()`

Methods inherited from Countable
`count()`