import { DxFormControlDefinition } from './interfaces';
export declare function checkIfControlIsAlreadyPresentByName(metadataKey: string, target: any, controlName: string): boolean;
export declare function checkIfControlIsAlreadyPresentByPropertyKey(target: any, propertyKey: string): boolean;
export declare function getControlDefinitionByPropertyKey(target: any, propertyKey: string): DxFormControlDefinition<any> | null;