/**
 * Interface for the error dictionary
 */
interface ErrorDictionary {
    [key: string]: ErrorFactory;
}
/**
 * Interface for individual errors in error dictionary.
 * Optionally takes an object as an argument from the thrown validation error,
 * which it can use to build more informative error messages
 */
declare type ErrorFactory = ({}?: any) => string;
/**
 * Dictionary of the default errors used by the control-errors directive to map
 * validator key to error message
 */
export declare const defaultErrors: ErrorDictionary;
/**
 * We export the interfaces so end users can easily strongly type their own custom error dictionary
 */
export { ErrorDictionary, ErrorFactory };