/**
 * Suite Helpers
 */
export declare function base<T>(suite: (utils: Utils, tests: (utils: T) => void, opts?: any) => any): (tests: any, opts: any) => any;
export interface Utils {
    init?: () => void;
    teardown?: () => void;
    expect: Chai.ExpectStatic;
    spy: Sinon.SinonSpyStatic;
    stub: Sinon.SinonStubStatic;
}