import { AfterViewInit, ElementRef, InjectionToken, InputSignal, OnDestroy, OutputEmitterRef, WritableSignal } from '@angular/core';
import { AsyncValidator, AsyncValidatorFn, ControlValueAccessor, NgModel, UntypedFormControl, Validator, ValidatorFn } from '@angular/forms';
import { Accessor } from '../accessor/interface';
import * as i0 from "@angular/core";
export interface AccessorHost {
    accessor: InputSignal<Accessor<any, any>>;
    required: InputSignal<boolean>;
}
export declare const ngxAccessorHost: InjectionToken<AccessorHost>;
export type AccessorValueType<TAccessor extends Accessor<any, any>> = TAccessor extends Accessor<any, infer TValueType> ? TValueType : any;
export declare const ACCESSOR: InjectionToken<AccessorService>;
export declare class AccessorService {
    accessor: WritableSignal<Accessor<any, any>>;
    static ɵfac: i0.ɵɵFactoryDeclaration<AccessorService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<AccessorService>;
}
export declare class AccessorDirective<TAccessor extends Accessor<any, any>, TValue = AccessorValueType<TAccessor>> extends NgModel implements OnDestroy, AfterViewInit, AccessorHost {
    valueChange: OutputEmitterRef<TValue>;
    protected accessorValueChange: OutputEmitterRef<any>;
    protected element: ElementRef;
    private subscriptions;
    accessor: InputSignal<TAccessor>;
    required: InputSignal<boolean>;
    readonly control: UntypedFormControl;
    accessorService: AccessorService;
    constructor(validators: (Validator | ValidatorFn)[], asyncValidators: (AsyncValidator | AsyncValidatorFn)[], valueAccessors: ControlValueAccessor[]);
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
    viewToModelUpdate(newValue: any): void;
    protected modelToControlUpdate(): void;
    protected setValidationErrorsOnModel(): void;
    protected observeModelChanges(): void;
    protected observeValidationErrors(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<AccessorDirective<any, any>, [{ optional: true; self: true; }, { optional: true; self: true; }, { optional: true; self: true; }]>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<AccessorDirective<any, any>, "[ngxAccessor]", never, { "accessor": { "alias": "ngxAccessor"; "required": true; "isSignal": true; }; "required": { "alias": "required"; "required": false; "isSignal": true; }; }, { "valueChange": "ngxAccessorValueChange"; "accessorValueChange": "accessorValueChange"; }, never, never, false, never>;
}