export declare const DURATION_PARTIAL_RE: RegExp;
export declare const DURATION_FULL_RE: RegExp;
export declare function durationMaskConfig(parse: (s: string) => unknown): {
    mask: null;
    allowMode: "custom";
    allow: (c: string) => boolean;
    pipe: (conformed: string) => string | false;
    completion: {
        mode: "custom";
        isComplete: (conformed: string) => boolean;
    };
};
