clslrns

<?php

interface Job
{
    /**
     * @throws JobException
     */
    public function do(): void;
}

clslrns

<?php

interface MongoCollectionInterface
{
    public function insert($a, array $options = []);

    public function update($old_array_of_fields_OR_object, $new_array_of_fields_OR_object, array $options = []);

    public function remove($array_of_fields_OR_object = [], array $options = []);