interface APIOptions {
    appId?: string;
}
interface fetchParams {
    url: string;
    data: any;
    method?: 'POST' | 'GET';
    headers?: any;
}
export default class API {
    private _appId;
    constructor(options?: APIOptions);
    protected fetchData(params: fetchParams): Promise<any>;
    protected unwrap(result: any): Promise<any>;
}
export {};