View file vendor/laravel/framework/src/Illuminate/Contracts/Support/DeferringDisplayableValue.php

<?php

namespace Illuminate\Contracts\Support;

interface DeferringDisplayableValue
{
    /**
     * Resolve the displayable value that the class is deferring.
     *
     * @return \Illuminate\Contracts\Support\Htmlable|string
     */
    public function resolveDisplayableValue();
}