<?php

namespace Illuminate\Http\Concerns;

trait InteractsWithInput
{
    /**
     * Retrieve a query string item from the request.
     *
     * @template TDefault
     * @param  string|null  $key
     * @param  TDefault  $default
     * @return ($key is null ? array : __benevolent<string|array|TDefault>)
     */
    public function query($key = null, $default = null);

    /**
     * Retrieve a request payload item from the request.
     *
     * @template TDefault
     * @param  string|null  $key
     * @param  TDefault  $default
     * @return ($key is null ? array : __benevolent<string|array|TDefault>)
     */
    public function post($key = null, $default = null);

    /**
     * Retrieve a server variable from the request.
     *
     * @template TDefault
     * @param  string|null  $key
     * @param  TDefault  $default
     * @return ($key is null ? array<string, string> : string|TDefault)
     */
    public function server($key = null, $default = null);
}