constructor( manager ) {

		super( manager );

		/**
		 * The expected mime type.
		 *
		 * @type {string}
		 */
		this.mimeType = '';

		/**
		 * The expected response type.
		 *
		 * @type {('arraybuffer'|'blob'|'document'|'json'|'')}
		 * @default ''
		 */
		this.responseType = '';

	}
Constructs a new file loader.

@param {LoadingManager} [manager] - The loading manager.