type Btoa = WindowOrWorkerGlobalScope["btoa"];
declare class WsclientConfiguration {
    private static _instance;
    private _FormData;
    private _btoa;
    private constructor();
    static get instance(): WsclientConfiguration;
    get FormData(): new (options?: any) => FormData;
    set FormData(value: new (options?: any) => FormData);
    get btoa(): Btoa;
    set btoa(value: Btoa);
}
export declare const wsclientConfiguration: WsclientConfiguration;
export {};