/**
 * NOTE: THIS SHOULD ONLY BE USED IN TESTS.
 *
 * Returns a Promise which resolves when `condFn` returns truthy.
 * The value returned by `condFn` is used to resolve the Promise.
 * @param condition Function to call.
 * @param [timeout] How long to wait, in milliseconds (0 = no timeout).
 * @param [interval=10] How frequently to check, in milliseconds.
 */
export declare const waitForCondition: <FunctionType extends (...args: any) => any>({ condition, timeout, interval, error, breakOnError, }: {
    condition: FunctionType;
    timeout?: number;
    interval?: number;
    error?: Error;
    breakOnError?: boolean;
}) => Promise<ReturnType<FunctionType>>;
export type UntilCallback<T> = (resolve: (value: T) => void, reject: (error: Error) => void) => Promise<T> | void;
/**
 * Awaits promise.
 */
export declare const until: <T = void>(cb: UntilCallback<T>, timeout?: number) => Promise<T>;
/**
 * Wait until promise resolves.
 */
export declare const untilPromise: <T = void>(cb: () => Promise<T>) => Promise<T>;
/**
 * Wait until error is thrown.
 */
export declare const untilError: (cb: () => Promise<any>) => Promise<unknown>;
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