import { ElementRef, EventEmitter, Injector, OnDestroy, OnInit } from '@angular/core';
import { ControlValueAccessor, NgControl } from '@angular/forms';
import { BaseComponent } from 'primeng/basecomponent';
import { Nullable } from 'primeng/ts-helpers';
import { RadioButtonClickEvent } from './radiobutton.interface';
import { RadioButtonStyle } from './style/radiobuttonstyle';
import * as i0 from "@angular/core";
import * as i1 from "primeng/api";
export declare const RADIO_VALUE_ACCESSOR: any;
export declare class RadioControlRegistry {
    private accessors;
    add(control: NgControl, accessor: RadioButton): void;
    remove(accessor: RadioButton): void;
    select(accessor: RadioButton): void;
    private isSameGroup;
    static ɵfac: i0.ɵɵFactoryDeclaration<RadioControlRegistry, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<RadioControlRegistry>;
}
/**
 * RadioButton is an extension to standard radio button element with theming.
 * @group Components
 */
export declare class RadioButton extends BaseComponent implements ControlValueAccessor, OnInit, OnDestroy {
    /**
     * Value of the radiobutton.
     * @group Props
     */
    value: any;
    /**
     * The name of the form control.
     * @group Props
     */
    formControlName: string | undefined;
    /**
     * Name of the radiobutton group.
     * @group Props
     */
    name: string | undefined;
    /**
     * When present, it specifies that the element should be disabled.
     * @group Props
     */
    disabled: boolean | undefined;
    /**
     * Specifies the input variant of the component.
     * @group Props
     */
    variant: 'filled' | 'outlined';
    /**
     * Defines the size of the component.
     * @group Props
     */
    size: 'large' | 'small';
    /**
     * Index of the element in tabbing order.
     * @group Props
     */
    tabindex: number | undefined;
    /**
     * Identifier of the focus input to match a label defined for the component.
     * @group Props
     */
    inputId: string | undefined;
    /**
     * Establishes relationships between the component and label(s) where its value should be one or more element IDs.
     * @group Props
     */
    ariaLabelledBy: string | undefined;
    /**
     * Used to define a string that labels the input element.
     * @group Props
     */
    ariaLabel: string | undefined;
    /**
     * Inline style of the component.
     * @group Props
     */
    style: {
        [klass: string]: any;
    } | null | undefined;
    /**
     * Style class of the component.
     * @group Props
     */
    styleClass: string | undefined;
    /**
     * When present, it specifies that the component should automatically get focus on load.
     * @group Props
     */
    autofocus: boolean | undefined;
    /**
     * Allows to select a boolean value.
     * @group Props
     */
    binary: boolean | undefined;
    /**
     * Callback to invoke on radio button click.
     * @param {RadioButtonClickEvent} event - Custom click event.
     * @group Emits
     */
    onClick: EventEmitter<RadioButtonClickEvent>;
    /**
     * Callback to invoke when the receives focus.
     * @param {Event} event - Browser event.
     * @group Emits
     */
    onFocus: EventEmitter<Event>;
    /**
     * Callback to invoke when the loses focus.
     * @param {Event} event - Browser event.
     * @group Emits
     */
    onBlur: EventEmitter<Event>;
    inputViewChild: ElementRef;
    onModelChange: Function;
    onModelTouched: Function;
    checked: Nullable<boolean>;
    focused: Nullable<boolean>;
    control: Nullable<NgControl>;
    _componentStyle: RadioButtonStyle;
    injector: Injector;
    registry: RadioControlRegistry;
    ngOnInit(): void;
    onChange(event: any): void;
    select(event: Event): void;
    writeValue(value: any): void;
    registerOnChange(fn: Function): void;
    registerOnTouched(fn: Function): void;
    setDisabledState(val: boolean): void;
    onInputFocus(event: Event): void;
    onInputBlur(event: Event): void;
    /**
     * Applies focus to input field.
     * @group Method
     */
    focus(): void;
    ngOnDestroy(): void;
    private checkName;
    private throwNameError;
    static ɵfac: i0.ɵɵFactoryDeclaration<RadioButton, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<RadioButton, "p-radioButton, p-radiobutton, p-radio-button", never, { "value": { "alias": "value"; "required": false; }; "formControlName": { "alias": "formControlName"; "required": false; }; "name": { "alias": "name"; "required": false; }; "disabled": { "alias": "disabled"; "required": false; }; "variant": { "alias": "variant"; "required": false; }; "size": { "alias": "size"; "required": false; }; "tabindex": { "alias": "tabindex"; "required": false; }; "inputId": { "alias": "inputId"; "required": false; }; "ariaLabelledBy": { "alias": "ariaLabelledBy"; "required": false; }; "ariaLabel": { "alias": "ariaLabel"; "required": false; }; "style": { "alias": "style"; "required": false; }; "styleClass": { "alias": "styleClass"; "required": false; }; "autofocus": { "alias": "autofocus"; "required": false; }; "binary": { "alias": "binary"; "required": false; }; }, { "onClick": "onClick"; "onFocus": "onFocus"; "onBlur": "onBlur"; }, never, never, true, never>;
    static ngAcceptInputType_disabled: unknown;
    static ngAcceptInputType_tabindex: unknown;
    static ngAcceptInputType_autofocus: unknown;
    static ngAcceptInputType_binary: unknown;
}
export declare class RadioButtonModule {
    static ɵfac: i0.ɵɵFactoryDeclaration<RadioButtonModule, never>;
    static ɵmod: i0.ɵɵNgModuleDeclaration<RadioButtonModule, never, [typeof RadioButton, typeof i1.SharedModule], [typeof RadioButton, typeof i1.SharedModule]>;
    static ɵinj: i0.ɵɵInjectorDeclaration<RadioButtonModule>;
}