export declare function describe(suiteName: string, cb: () => void): void;
export declare function test(testName: string, cb: () => void): void;
export declare function check(condition: boolean, message?: string): void;
export declare function checkEqual<T>(actual: T, expected: T, message?: string): void;
export declare function checkDeepEqual<T>(actual: T, expected: T, message?: string): void;
export declare function checkThrows(fn: () => void, message?: string): void;
export declare function arrayEqual<T>(xs: Array<T>, ys: Array<T>): boolean;
export declare function checkArrayEqual<T>(actual: Array<T>, expected: Array<T>, message?: string): void;
export declare function justDisplay(x: any, y: any): void;
export declare function printTestSummary(): void;