import type { TimeredCounter } from '../../src/index.js';
export declare function equal(counter: TimeredCounter, a: any, b: any): Promise<void>;
export declare function setByAttr(element: TimeredCounter, attr: string, value: any): void;
export declare function setByProp(element: TimeredCounter, prop: string, value: any): void;
export declare function sleep(ms: number): Promise<unknown>;
export type NoUndefinedField<T> = {
    [P in keyof T]-?: T[P];
};