View file vendor/laravel/framework/src/Illuminate/Contracts/Support/CanBeEscapedWhenCastToString.php
<?php namespace Illuminate\Contracts\Support; interface CanBeEscapedWhenCastToString { /** * Indicate that the object's string representation should be escaped when __toString is invoked. * * @param bool $escape * @return $this */ public function escapeWhenCastingToString($escape = true); }