import { GetEpisodeDataByEpisodeIdParams, GetEpisodeDataByFeedUrlParams } from './ClientService';
export declare function validateEpisodeParams(params: GetEpisodeDataByFeedUrlParams | GetEpisodeDataByEpisodeIdParams): void;
export declare function sleep(milliseconds?: number): Promise<void>;
export declare function uuid(): string;
export declare function addQueryParam(url: string, param: string, value?: string): string;
export declare function secsToHr(secs: number): string;
export declare function getExtension(url: string): string;
export declare function guessImageMimeFromPath(url: string): string;
export declare function classList(classes: {
  [index: string]: any;
}): string;
export declare function isHTMLAudioElement(el: any): boolean;
/**
 * Get the local timezone offset in minutes
 */
export declare function getTimezoneOffset(): number;
export declare function deepCopy(inObject: any): any;
export declare function debounce(cb: any, args?: any, delay?: number, obj?: any): any;