export interface ReadFileResult {
    content: string;
    url: string;
}
export declare function readJSONFile(path: string, fnFallback?: () => any): Promise<any>;
export declare function writeJSONFile(path: string, data: any): Promise<ReadFileResult>;
export declare function readFile(path: string): Promise<ReadFileResult>;
export declare function writeFile(path: string, data: any): Promise<ReadFileResult>;