export interface PromiseReflect {
    status: string;
    value?: any;
    error?: any;
}
export declare function reflect(promise: Promise<any>): Promise<PromiseReflect>;
export declare function isClass(v: any): boolean;
export declare function retrieveReflect(list: any[], field: string): PromiseReflect[];
export declare function errorHandler(app: any, err: any): Promise<void>;