import "reflect-metadata";
import { PropertySelector } from "../Common/Type";
import { IUniqueConstraintOption } from "./Option/IUniqueConstraintOption";
export declare function UniqueConstraint<TE>(option?: IUniqueConstraintOption<TE>): (target: object, propertyKey?: string | symbol) => void;
export declare function UniqueConstraint<TE>(properties: Array<keyof TE | ((item: TE) => any)>): (target: object, propertyKey?: string | symbol) => void;
export declare function UniqueConstraint<TE>(name: string, properties: Array<PropertySelector<TE>>): (target: object, propertyKey?: string | symbol) => void;