declare function getUrlParams(name: string, location?: string): {
    [x: string]: string;
} | null | string;
declare function parseJson(str: string, emptyValueType?: string): unknown;
declare function debounce(fn: (...args: unknown[]) => unknown, delay: number, thisValue?: unknown): (...args: unknown[]) => unknown;
declare function sleep(delay: number): Promise<void>;
export { getUrlParams, parseJson, debounce, sleep };