export declare const sourceSymbol: unique symbol;
/**
 * Parse a JSON file
 *
 * @param fileName String file path of file to load
 * @return Valid JSON
 * @internal
 */
export declare const parseJsonFile: (fileName: string) => Record<string, any>;
/**
 * Parse a JavaScript file
 *
 * @param fileName String file path of file to load
 * @return Valid JavaScript object
 * @internal
 */
export declare const parseJavaScriptFile: (fileName: string) => Record<string, any>;