import { Observable, Subscription } from 'rxjs';
import { AbstractControl, ControlOptions, ControlPath, ControlState, ValidatorFn } from './types';
import { RxapFormArray } from './form-array';
import { RxapFormGroup } from './form-group';
import { RxapFormControl } from './form-control';
export declare function controlValueChanges$<T>(control: AbstractControl<T>): Observable<T>;
export declare function controlDisabled$<T>(control: AbstractControl<T>): Observable<boolean>;
export declare function controlEnabled$<T>(control: AbstractControl<T>): Observable<boolean>;
export declare function controlReadonly$<T>(control: AbstractControl<T>): Observable<boolean>;
export declare function controlStatusChanges$<T>(control: AbstractControl<T>): Observable<ControlState>;
export declare function controlErrorChanges$<E>(control: AbstractControl): Observable<E | null>;
export declare function enableControl<T>(control: AbstractControl<T>, enabled: boolean, opts?: ControlOptions): void;
export declare function disableControl<T>(control: AbstractControl<T>, disabled: boolean, opts?: ControlOptions): void;
export declare function controlDisabledWhile<T>(control: AbstractControl<T>, observable: Observable<boolean>, opts?: ControlOptions): Subscription;
export declare function controlEnabledWhile<T>(control: AbstractControl<T>, observable: Observable<boolean>, opts?: ControlOptions): Subscription;
export declare function mergeControlValidators<T, Control extends AbstractControl<T>>(control: Control, validators: ValidatorFn<T> | ValidatorFn<T>[]): void;
export declare function validateControlOn<T>(control: AbstractControl<T>, validation: Observable<null | object>): Subscription;
export declare function hasErrorAndTouched<T>(control: AbstractControl<T>, error: string, path?: ControlPath): boolean;
export declare function hasErrorAndDirty<T>(control: AbstractControl<T>, error: string, path?: ControlPath): boolean;
export declare function markAllDirty<T>(control: RxapFormArray<T> | RxapFormGroup<T>): void;
export declare function markAllPristine<T>(control: RxapFormArray<T> | RxapFormGroup<T>): void;
export declare function markAllUntouched<T>(control: RxapFormArray<T> | RxapFormGroup<T>): void;
export declare function selectControlValue$<T, R>(control: RxapFormGroup<T> | RxapFormArray<T> | RxapFormControl<T>, mapFn: (state: T) => R): Observable<R>;