import { AgoraHttpAuthHeadersProvider } from './type';
export declare const getAuthorization: (token: string) => string;
export declare class AgoraHttpAuthHeadersProviderImpl implements AgoraHttpAuthHeadersProvider {
    private _headers;
    constructor(auth: {
        userId: string;
        token: string;
    });
    clone(): AgoraHttpAuthHeadersProvider;
    getHeaders(): Readonly<Record<string, string>>;
    setHeaders(headers: Record<string, string>): void;
    putHeaders(headers: Record<string, string>): void;
}