import { ValidationOptions } from '../ValidationOptions';
export declare const IS_LATLONG = "isLatLong";
/**
 * Checks if a value is string in format a "latitude,longitude".
 */
export declare function isLatLong(value: string): boolean;
/**
 * Checks if a value is string in format a "latitude,longitude".
 */
export declare function IsLatLong(validationOptions?: ValidationOptions): PropertyDecorator;