import { AbstractControl, AsyncValidatorFn, FormControl, FormControlStatus, ValidatorFn } from '@angular/forms';
import { Observable } from 'rxjs';
type ControlChangeStateFn<TValue> = (value: TValue) => void;
/**
 * A utility class for working with Angular forms. Provides static methods to handle form control states,
 * values, and validators.
 */
export declare class FormTools {
    static isDisabled(status: FormControlStatus): boolean;
    static isEnabled(status: FormControlStatus): boolean;
    static isValid(status: FormControlStatus): boolean;
    static isInvalid(status: FormControlStatus): boolean;
    static isPending(status: FormControlStatus): boolean;
    static getValue$<TValue>(control: FormControl<TValue>): Observable<TValue>;
    static getValue$<TValue>(control: AbstractControl<TValue>): Observable<TValue>;
    static getValue$<TValue>(control: AbstractControl): Observable<TValue>;
    static getIsEmpty$(...controls: FormControl<any>[]): Observable<boolean>;
    static getStatus$(control: AbstractControl): Observable<FormControlStatus>;
    static getIsDisabled$(control: AbstractControl): Observable<boolean>;
    static getIsEnabled$(control: AbstractControl): Observable<boolean>;
    static getIsInvalid$(control: AbstractControl): Observable<boolean>;
    static getIsValid$(control: AbstractControl): Observable<boolean>;
    static getIsPending$(control: AbstractControl): Observable<boolean>;
    static revalidate(control: AbstractControl, emitEvent?: boolean): void;
    static setValidators(control: AbstractControl, validators: ValidatorFn | (ValidatorFn | null | undefined)[] | null | undefined): void;
    static setAsyncValidators(control: AbstractControl, validators: AsyncValidatorFn | (AsyncValidatorFn | null | undefined)[] | null | undefined): void;
    static setEnabled(control: AbstractControl): ControlChangeStateFn<boolean>;
    static setDisabled(control: AbstractControl): ControlChangeStateFn<boolean>;
    static setTouched(control: AbstractControl): ControlChangeStateFn<boolean>;
    static setUntouched(control: AbstractControl): ControlChangeStateFn<boolean>;
    static setPristine(control: AbstractControl): ControlChangeStateFn<boolean>;
    static setDirty(control: AbstractControl): ControlChangeStateFn<boolean>;
}
export {};