apply_filters( 'filesystem_method_file', string $path, string $method )

2197		 *2198		 * @see get_filesystem_method()2199		 *2200		 * @param string $path   Path to the specific filesystem method class file.2201		 * @param string $method The filesystem method to use.2202		 */2203		$abstraction_file = apply_filters( 'filesystem_method_file', ABSPATH . 'wp-admin/includes/class-wp-filesystem-' . $method . '.php', $method );2204 2205		if ( ! file_exists( $abstraction_file ) ) {2206			return null;2207		}2208 2209		require_once $abstraction_file;