/**
 * @stable [18.01.2021]
 */
export declare class FnUtils {
    static readonly noop: () => void;
    static readonly nullNoop: () => any;
    static readonly sequence: (sourceFn: (...args: any[]) => unknown, nextFn: (...args: any[]) => unknown, nextFnScope?: unknown) => (...args: any[]) => unknown;
}