init方法的TypeScript定义如下：

interface IConfigs {
    apikey: string;
    appversion?: string;
    releasestage?: string;
    callback?: ICallback;
    setHttpBody?: boolean;
    httpTimeout?: number;
    filters?: object[];
    silent?: boolean;
    silentDev?: boolean;
    silentHttp?: boolean;
    silentWebsocket?: boolean;
    silentConsole?: boolean;
    silentPerformance?: boolean;
    sampleRate?: number;
    domain?: string;