/// <reference types="node" />
export interface ParserOptions {
    sep?: string;
    encoding?: string;
}
export declare function parse<T>(options?: ParserOptions): (data: string | Buffer) => T | undefined;
export interface FormatterOptions {
    sep?: string;
    replacer?: (key: string, value: any) => any;
    space?: string;
}
export declare function stringify<T>(options?: FormatterOptions): (data: T) => string;