export declare enum AuthRequestType {
    UserAuthentication = "user-authentication",
    ChannelAuthorization = "channel-authorization"
}
export interface ChannelAuthorizationData {
    auth: string;
    channel_data?: string;
    shared_secret?: string;
}
export type ChannelAuthorizationCallback = (error: Error | null, authData: ChannelAuthorizationData | null) => void;
export interface ChannelAuthorizationRequestParams {
    socketId: string;
    channelName: string;
}
export interface ChannelAuthorizationHandler {
    (params: ChannelAuthorizationRequestParams, callback: ChannelAuthorizationCallback): void;
}
export interface UserAuthenticationData {
    auth: string;
    user_data: string;
}
export type UserAuthenticationCallback = (error: Error | null, authData: UserAuthenticationData | null) => void;
export interface UserAuthenticationRequestParams {
    socketId: string;
}
export interface UserAuthenticationHandler {
    (params: UserAuthenticationRequestParams, callback: UserAuthenticationCallback): void;
}
export type AuthTransportCallback = ChannelAuthorizationCallback | UserAuthenticationCallback;
export interface InternalAuthOptions {
    transport: 'ajax' | 'jsonp';
    endpoint: string;
    params?: any;
    headers?: any;
    paramsProvider?: () => any;
    headersProvider?: () => any;
}
export type CustomAuthOptions<AuthHandler> = {
    customHandler: AuthHandler;
};
export type AuthOptionsT<AuthHandler> = InternalAuthOptions | CustomAuthOptions<AuthHandler>;
export declare type UserAuthenticationOptions = AuthOptionsT<UserAuthenticationHandler>;
export declare type ChannelAuthorizationOptions = AuthOptionsT<ChannelAuthorizationHandler>;
