export type ValidatorFcn = (...p: any[]) => boolean;
/**
 * Define the validator inputs. validator is the function that is called with the function arguments
 * and should return a boolean value, true if the validation is successful false otherwise.
 * In case the return value if false an Error is thrown with the provided message.
 */
interface Options {
    validator: ValidatorFcn;
    message: string;
}
export declare const Validator: (options: Options) => (_target: object, _propertyKey: string, descriptor: PropertyDescriptor) => void;
export {};