/home/kueuepay/public_html/vendor/laravel/framework/src/Illuminate/Contracts/Support/MessageBag.php
<?php

namespace Illuminate\Contracts\Support;

use Countable;

interface MessageBag extends Arrayable, Countable
{
    /**
     * Get the keys present in the message bag.
     *
     * @return array
     */
    public function keys();

    /**
     * Add a message to the bag.
     *
     * @param  string  $key
     * @param  string  $message
     * @return $this
     */
    public function add($key, $message);

    /**
     * Merge a new array of messages into the bag.
     *
     * @param  \Illuminate\Contracts\Support\MessageProvider|array  $messages
     * @return $this
     */
    public function merge($messages);

    /**
     * Determine if messages exist for a given key.
     *
     * @param  string|array  $key
     * @return bool
     */
    public function has($key);

    /**
     * Get the first message from the bag for a given key.
     *
     * @param  string|null  $key
     * @param  string|null  $format
     * @return string
     */
    public function first($key = null, $format = null);

    /**
     * Get all of the messages from the bag for a given key.
     *
     * @param  string  $key
     * @param  string|null  $format
     * @return array
     */
    public function get($key, $format = null);

    /**
     * Get all of the messages for every key in the bag.
     *
     * @param  string|null  $format
     * @return array
     */
    public function all($format = null);

    /**
     * Get the raw messages in the container.
     *
     * @return array
     */
    public function getMessages();

    /**
     * Get the default message format.
     *
     * @return string
     */
    public function getFormat();

    /**
     * Set the default message format.
     *
     * @param  string  $format
     * @return $this
     */
    public function setFormat($format = ':message');

    /**
     * Determine if the message bag has any messages.
     *
     * @return bool
     */
    public function isEmpty();

    /**
     * Determine if the message bag has any messages.
     *
     * @return bool
     */
    public function isNotEmpty();
}
Developer

Kueue Pay Payment Gateway Solutions Developer API Documentation

Welcome to the Kueue Pay Payment Gateway Solutions Developer API Documentation. This comprehensive guide will empower you to seamlessly integrate our advanced payment gateway into your website, enhancing your customers’ payment experience and enabling efficient transaction processing. The Kueue Pay Developer API is designed for developers and entrepreneurs who seek simplicity, security, and reliability in their payment processing solutions.

1. Introduction

The Kueue Pay Developer API allows you to seamlessly integrate Kueue Pay’s Payment Gateway Solutions into your website, enabling secure and efficient debit and credit card transactions. With our API, you can initiate payments, check payment statuses, and even process refunds, all while ensuring a smooth and streamlined payment experience for your customers.