import { IMessageRPC, IVertoOptions } from './interfaces';
import { GatewayStateType } from '../webrtc/constants';
export declare const deepCopy: (obj: Object) => any;
export declare const objEmpty: (obj: Object) => boolean;
export declare const mutateStorageKey: (key: string) => string;
export declare const mutateLiveArrayData: (data: any) => {
    participantId: number;
    participantNumber: any;
    participantName: any;
    codec: any;
    media: {};
    participantData: any;
};
export declare const safeParseJson: (value: string) => string | Object;
export declare const isDefined: (variable: any) => boolean;
export declare const isFunction: (variable: any) => boolean;
export declare const findElementByType: (tag: HTMLMediaElement | string | Function) => HTMLMediaElement;
export declare const checkWebSocketHost: (host: string) => string;
export declare const destructResponse: (response: any, nodeId?: string) => {
    [key: string]: any;
};
export declare const randomInt: (min: number, max: number) => number;
export declare const isValidLoginOptions: ({ login, passwd, password, login_token, }: IVertoOptions) => boolean;
export declare const isValidAnonymousLoginOptions: ({ anonymous_login, }: IVertoOptions) => boolean;
export declare const getGatewayState: (msg: IMessageRPC) => GatewayStateType | '';
export declare type DeferredPromise<T> = {
    promise: Promise<T>;
    resolve: (value: T | PromiseLike<T>) => void;
    reject: (reason?: any) => void;
};
declare type DeferredPromiseOptions = {
    debounceTime?: number;
};
export declare function deferredPromise<T>({ debounceTime, }: DeferredPromiseOptions): DeferredPromise<T>;
export declare const debounce: (func: Function, wait: number) => (...args: any) => void;
export {};