<?php

namespace Illuminate\Http\Concerns;

trait InteractsWithInput
{
    /**
     * Retrieve an input item from the request.
     *
     * @param  string|null  $key
     * @param  mixed  $default
     * @return mixed
     *
     * @psalm-taint-source input
     * @psalm-mutation-free
     */
    public function input($key = null, $default = null) {}
}
