export declare const defaultFunctionName = "<anonymous>";
export declare function getFunctionName(fn: unknown): string;
export declare type voidFun = () => void;
/**
 * 原生try函数
 * ../param fn try中执行的函数体
 * ../param errorFn 报错时执行的函数体，将err传入
 */
export declare function nativeTryCatch(fn: voidFun, errorFn?: (err: any) => void): void;