WP_REST_Revisions_Controller::__construct( string $parent_post_type )

	public function __construct( $parent_post_type ) {
		$this->parent_post_type = $parent_post_type;
		$this->parent_controller = new WP_REST_Posts_Controller( $parent_post_type );
		$this->namespace = 'wp/v2';
		$this->rest_base = 'revisions';
		$post_type_object = get_post_type_object( $parent_post_type );
		$this->parent_base = ! empty( $post_type_object->rest_base ) ? $post_type_object->rest_base : $post_type_object->name;
	}