/**
 *              Copyright (c) 2025 Visa, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 **/
import { BooleanInput } from '@angular/cdk/coercion';
import { AfterContentInit, ChangeDetectorRef, ElementRef, QueryList } from '@angular/core';
import { ControlValueAccessor } from '@angular/forms';
import { UUIDService } from '../_utilities/services/uuid.service';
import { AppReadyService } from '../_utilities/services/app-stable-check.service';
import { RadioDirective } from '../radio/radio.directive';
import * as i0 from "@angular/core";
/**
 * This directive is used to group radio buttons together and manage their state. <br />
 * Typically used for a required group to relay that one of the group is required to be selected.
 */
export declare class RadioGroupDirective implements ControlValueAccessor, AfterContentInit {
    el: ElementRef;
    private appReadyService;
    private cdRef;
    private uuidService;
    radios: QueryList<RadioDirective>;
    /**
     * Marks radio group as required when true.
     * @default false
     */
    get groupRequired(): boolean;
    set groupRequired(value: BooleanInput);
    _groupRequired: boolean;
    get ariaRequired(): string | void;
    /**
     * Sets radio group as disabled when true.
     * @default false
     */
    get groupDisabled(): boolean;
    set groupDisabled(value: BooleanInput);
    _groupDisabled: boolean;
    /** Fires when a formControl's disabled state updates  */
    setDisabledState(isDisabled: boolean): void;
    /**
     * Marks radio group as invalid when true.
     * @default false
     */
    get groupInvalid(): boolean;
    set groupInvalid(value: BooleanInput);
    _groupInvalid: boolean;
    /**
     * Sets custom role.
     * @default radiogroup
     * @builtin true
     */
    role: string;
    get hostRole(): string;
    /**
     * Value of radio group.
     */
    get value(): string | number | null | undefined;
    set value(value: string | number | null | undefined);
    _value: string | number | null | undefined;
    /**
     * Shared name of radio group.
     * @default this.uuidService.getUUID('v-radio-group-');
     * @builtin true
     */
    name: string;
    handleChange(event: Event): void;
    handleBlur(event: Event): void;
    constructor(el: ElementRef, appReadyService: AppReadyService, cdRef: ChangeDetectorRef, uuidService: UUIDService);
    ngAfterContentInit(): void;
    onChange: (_: any) => void;
    onTouched: (_: any) => void;
    registerOnChange(fn: any): void;
    registerOnTouched(fn: any): void;
    writeValue(value: string | number): void;
    selectRadio(): void;
    clear(): void;
    updateChildrenState(prop: 'disabled' | 'invalid' | 'required', groupProp: boolean): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<RadioGroupDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<RadioGroupDirective, "[v-radio-group]", never, { "groupRequired": { "alias": "required"; "required": false; }; "groupDisabled": { "alias": "disabled"; "required": false; }; "groupInvalid": { "alias": "invalid"; "required": false; }; "role": { "alias": "role"; "required": false; }; "value": { "alias": "value"; "required": false; }; "name": { "alias": "name"; "required": false; }; }, {}, ["radios"], never, true, never>;
}