import type { FormGroup } from './form-group';
import type { AsyncValidatorFn, ValidationErrors, ValidatorFn } from './validators';
import { Subject } from 'rxjs';
export type FormControlStatus = 'VALID' | 'INVALID' | 'PENDING' | 'DISABLED';
export declare const VALID: FormControlStatus, INVALID: FormControlStatus, PENDING: FormControlStatus, DISABLED: FormControlStatus;
export declare abstract class AbstractControl<V = any> {
    private _parent;
    private _pristine;
    private _errors;
    private _hasOwnPendingAsyncValidator;
    private _asyncValidationSubscription?;
    private _composedValidatorFn;
    private _composedAsyncValidatorFn;
    private _rawValidators;
    private _rawAsyncValidators;
    constructor(validators: ValidatorFn | ValidatorFn[] | null, asyncValidators: AsyncValidatorFn | AsyncValidatorFn[] | null);
    get validator(): ValidatorFn | null;
    set validator(validatorFn: ValidatorFn | null);
    get asyncValidator(): AsyncValidatorFn | null;
    set asyncValidator(asyncValidatorFn: AsyncValidatorFn | null);
    get parent(): FormGroup | null;
    get root(): AbstractControl;
    get value(): V;
    get status(): FormControlStatus;
    get errors(): ValidationErrors | null;
    get valid(): boolean;
    get invalid(): boolean;
    get pending(): boolean;
    get disabled(): boolean;
    get enabled(): boolean;
    get pristine(): boolean;
    get dirty(): boolean;
    readonly asyncVerifyComplete$: Subject<AbstractControl<V>>;
    clone(): this;
    setValidators(validators: ValidatorFn | ValidatorFn[] | null): void;
    setAsyncValidators(validators: AsyncValidatorFn | AsyncValidatorFn[] | null): void;
    addValidators(validators: ValidatorFn | ValidatorFn[]): void;
    addAsyncValidators(validators: AsyncValidatorFn | AsyncValidatorFn[]): void;
    removeValidators(validators: ValidatorFn | ValidatorFn[]): void;
    removeAsyncValidators(validators: AsyncValidatorFn | AsyncValidatorFn[]): void;
    hasValidator(validator: ValidatorFn): boolean;
    hasAsyncValidator(validator: AsyncValidatorFn): boolean;
    clearValidators(): void;
    clearAsyncValidators(): void;
    markAsDirty(onlySelf?: boolean): void;
    markAsPristine(onlySelf?: boolean): void;
    markAsPending(onlySelf?: boolean): void;
    disable(onlySelf?: boolean): void;
    enable(onlySelf?: boolean): void;
    setParent(parent: FormGroup): void;
    setErrors(errors: ValidationErrors | null): void;
    updateValueAndValidity(onlySelf?: boolean): void;
    protected abstract _value: V;
    protected abstract _status: FormControlStatus;
    abstract setValue(value: V, onlySelf?: boolean): void;
    abstract patchValue(value: any, onlySelf?: boolean): void;
    abstract reset(value?: any, onlySelf?: boolean): void;
    protected abstract _updateValue(): void;
    protected abstract _forEachChild(cb: (c: AbstractControl) => void): void;
    protected abstract _anyControls(condition: (c: AbstractControl) => boolean): boolean;
    protected abstract _allControlsDisabled(): boolean;
    protected _anyControlsHaveStatus(status: FormControlStatus): boolean;
    protected _anyControlsDirty(): boolean;
    protected _parentMarkedDirty(onlySelf: boolean): boolean;
    protected _updatePristine(onlySelf?: boolean): void;
    protected _updateControlsErrors(): void;
    protected _calculateStatus(): FormControlStatus;
    protected _updateAncestors(onlySelf: boolean, skipPristineCheck: boolean): void;
    protected _runValidator(): ValidationErrors | null;
    protected _cancelExistingSubscription(): void;
    protected _runAsyncValidator(): void;
}