import { AfterContentInit, EventEmitter, QueryList, AfterViewInit } from '@angular/core';
import { ControlValueAccessor } from '@angular/forms';
import { Radio } from './radio.component';
import { RadioChange } from './radio-change.class';
export declare class RadioGroup implements AfterContentInit, AfterViewInit, ControlValueAccessor {
    static radioGroupCount: number;
    orientation: 'horizontal' | 'vertical';
    radioLabelPlacement: 'right' | 'left';
    /**
     * Emits event notifying other classes of a change using a `RadioChange` class.
     */
    change: EventEmitter<RadioChange>;
    /**
     * The `Radio` input items in the `RadioGroup`.
     */
    radios: QueryList<Radio>;
    /**
     * Sets the passed in `Radio` item as the selected input within the `RadioGroup`.
     */
    /**
    * Returns the `Radio` that is selected within the `RadioGroup`.
    */
    selected: Radio | null;
    /**
     * Sets the value/state of the selected `Radio` within the `RadioGroup` to the passed in value.
     */
    /**
    * Returns the value/state of the selected `Radio` within the `RadioGroup`.
    */
    value: any;
    /**
     * Replaces the name associated with the `RadioGroup` with the provided parameter.
     */
    /**
    * Returns the associated name of the `RadioGroup`.
    */
    name: string;
    /**
     * Set to true to disable the whole radio group
     */
    disabled: boolean;
    /**
     * Returns the skeleton value in the `RadioGroup` if there is one.
     */
    /**
    * Sets the skeleton value for all `Radio` to the skeleton value of `RadioGroup`.
    */
    skeleton: any;
    /**
     * Binds 'form-item' value to the class for `RadioGroup`.
     */
    radioButtonGroupClass: boolean;
    /**
     * To track whether the `RadioGroup` has been initialized.
     */
    protected isInitialized: boolean;
    /**
     * Reflects whether or not the input is disabled and cannot be selected.
     */
    protected _disabled: boolean;
    /**
     * Reflects whether or not the dropdown is loading.
     */
    protected _skeleton: boolean;
    /**
     * The value of the selected option within the `RadioGroup`.
     */
    protected _value: any;
    /**
     * The `Radio` within the `RadioGroup` that is selected.
     */
    protected _selected: Radio;
    /**
     * The name attribute associated with the `RadioGroup`.
     */
    protected _name: string;
    /**
     * Updates the selected `Radio` to be checked (selected).
     */
    checkSelectedRadio(): void;
    /**
     * Use the value of the `RadioGroup` to update the selected radio to the right state (selected state).
     */
    updateSelectedRadioFromValue(): void;
    /**
     * Creates a class of `RadioChange` to emit the change in the `RadioGroup`.
     */
    emitChangeEvent(event: RadioChange): void;
    /**
     * Synchronizes radio properties.
     */
    updateRadios(): void;
    /**
     * Updates the value of the `RadioGroup` using the provided parameter.
     */
    writeValue(value: any): void;
    ngAfterContentInit(): void;
    ngAfterViewInit(): void;
    /**
     * Used to set method to propagate changes back to the form.
     */
    registerOnChange(fn: any): void;
    /**
     * Registers a callback to be triggered when the control has been touched.
     * @param fn Callback to be triggered when the checkbox is touched.
     */
    registerOnTouched(fn: any): void;
    /**
     * Needed to properly implement ControlValueAccessor.
     */
    onTouched: () => any;
    /**
     * Method set in registerOnChange to propagate changes back to the form.
     */
    propagateChange: (_: any) => void;
    protected updateChildren(): void;
    protected updateRadioChangeHandler(): void;
}