import { AbstractControl, AsyncValidatorFn, Validator, ValidatorFn } from "@angular/forms";
/** Defines a client side validation result. */
export interface ValidationResult {
    [validator: string]: string | boolean;
}
/** Array of asyncronous validator functions. */
export declare type AsyncValidatorArray = Array<Validator | AsyncValidatorFn>;
/** Array of syncronous simple validators. */
export declare type ValidatorArray = Array<Validator | ValidatorFn>;
/**
 * Combines both sync and async validators as one array.
 * TODO: Why? Go thorough.
 */
export declare const composeValidators: (validators: (Validator | ValidatorFn)[]) => AsyncValidatorFn | ValidatorFn;
/** Single method to run validations on a control.  */
export declare const validate: (validators: (Validator | ValidatorFn)[], asyncValidators: (Validator | AsyncValidatorFn)[]) => (control: AbstractControl) => any;
/** Temporary implementation of validation messages. */
export declare const message: (validator: ValidationResult, key: string) => string;