/**
 *
 *   执行一个函数，并在出错时对错误进行捕获处理
 *
 *
 *   safeCall(fn,args)           // 出错时忽略并返回 undefined
 *   safeCall(fn,args,{catch:'ignore'})
 *   safeCall(fn,args,{catch:'ignore',default:0})
 *   safeCall(fn,args,{catch:'throw'})   // 出错时原样抛出错误
 *   safeCall(fn,args,(error)=>{})       // 调用函数并返回值
 *
 */
interface SafeCallOptions {
    catch?: 'ignore' | 'throw';
    default?: any;
    error?: Error;
}
type SafeCallCatcher = (error: Error) => any;
declare function safeCall(fn: Function, args?: any[]): any;
declare function safeCall(fn: Function, options?: SafeCallOptions | SafeCallCatcher): any;

export { type SafeCallCatcher, type SafeCallOptions, safeCall };