type Callback = () => void;
type Condition = () => boolean;
export declare class FrameInterval {
    private id;
    private callback;
    private thenfn;
    private stopCondition;
    constructor(callback?: Callback);
    private tick;
    cancel(): void;
    until(stopCondition: Condition): this;
    then(thenfn: Callback): void;
}
export {};