import { AfterContentInit, ChangeDetectorRef, ElementRef, EventEmitter, OnInit, QueryList, OnDestroy } from '@angular/core';
import { ControlValueAccessor } from '@angular/forms';
import { HasTabIndex, CanDisable, HasTabIndexCtor, CanDisableCtor } from '../core';
import { UniqueSelectionDispatcher } from './unique-selection-dispatcher';
export declare const APTO_RADIO_GROUP_CONTROL_VALUE_ACCESSOR: any;
export declare class AptoRadioChange {
    source: AptoRadioButtonComponent;
    value: any;
    constructor(source: AptoRadioButtonComponent, value: any);
}
export declare class AptoRadioGroupBase {
}
export declare const _AptoRadioGroupMixinBase: CanDisableCtor & typeof AptoRadioGroupBase;
/**
 * A group of radio buttons. May contain one or more `<mat-radio-button>` elements.
 */
export declare class AptoRadioGroupDirective extends _AptoRadioGroupMixinBase implements AfterContentInit, ControlValueAccessor, CanDisable {
    private _changeDetectorRef;
    private _value;
    private _name;
    private _selected;
    private _isInitialized;
    private _disabled;
    private _required;
    name: string;
    value: any;
    selected: AptoRadioButtonComponent | null;
    disabled: boolean;
    required: boolean;
    readonly change: EventEmitter<AptoRadioChange>;
    _radios: QueryList<AptoRadioButtonComponent>;
    constructor(_changeDetectorRef: ChangeDetectorRef);
    _checkSelectedRadioButton(): void;
    ngAfterContentInit(): void;
    _touch(): void;
    _emitChangeEvent(): void;
    _controlValueAccessorChangeFn: (value: any) => void;
    onTouched: () => any;
    _markRadiosForCheck(): void;
    writeValue(value: any): void;
    registerOnChange(fn: (value: any) => void): void;
    registerOnTouched(fn: any): void;
    setDisabledState(isDisabled: boolean): void;
    private _updateRadioButtonNames;
    private _updateSelectedRadioFromValue;
}
export declare class AptoRadioButtonBase {
    disabled: boolean;
}
export declare const _AptoRadioButtonMixinBase: HasTabIndexCtor & typeof AptoRadioButtonBase;
export declare class AptoRadioButtonComponent extends _AptoRadioButtonMixinBase implements OnInit, OnDestroy, HasTabIndex {
    private _changeDetectorRef;
    private _radioDispatcher;
    private _uniqueId;
    radioGroup: AptoRadioGroupDirective;
    private _checked;
    private _disabled;
    private _required;
    private _value;
    private _block;
    tabIndex: number;
    id: string;
    name: string;
    ariaLabel: string;
    ariaLabelledby: string;
    ariaDescribedby: string;
    checked: boolean;
    value: any;
    disabled: boolean;
    block: boolean;
    required: boolean;
    readonly change: EventEmitter<AptoRadioChange>;
    _inputElement: ElementRef;
    constructor(radioGroup: AptoRadioGroupDirective, _changeDetectorRef: ChangeDetectorRef, _radioDispatcher: UniqueSelectionDispatcher);
    ngOnInit(): void;
    ngOnDestroy(): void;
    readonly inputId: string;
    focus(): void;
    _markForCheck(): void;
    _onInputClick(event: Event): void;
    _onInputChange(event: Event): void;
    private _removeUniqueSelectionListener;
    private _emitChangeEvent;
}