import 'reflect-metadata';
import { ColumnTypes, IDCColDefs, IDCColumnDef } from "../IDCSchema";
export declare function Column(options: Partial<IDCColumnDef>): Function;
export declare function Column(target: any, propertyName: string, propertyDescriptor?: PropertyDescriptor): void;
export declare function addColumn(target: any, property: string, propertyDescriptor: PropertyDescriptor, columnOptions: Partial<IDCColumnDef>): void;
export declare function getColumns(target: any): IDCColDefs;
export declare function getDcColumnType(target: any, property: string): false | ColumnTypes.string | ColumnTypes.int | ColumnTypes.boolean | ColumnTypes.date;