import { Provider, ChangeDetectorRef, EventEmitter } from '@angular/core';
import { ControlValueAccessor } from '@angular/forms';
import * as i0 from "@angular/core";
/**
 * Provider Expression that allows nc-radio-group to register as a ControlValueAccessor.
 * This allows it to support [(ngModel)] and ngControl.
 */
export declare const RADIO_CONTROL_VALUE_ACCESSOR: Provider;
export declare class NcRadioGroupComponent implements ControlValueAccessor {
    private cdRef;
    private _uniqueId;
    private _onTouched;
    private _onModelChanged;
    private _disabled;
    private _value?;
    /** Name of the radio button group. All radio buttons inside this group will use this name. */
    name: string;
    /**
     * Value for the radio-group. Should equal the value of the selected radio button if there is
     * a corresponding radio button with a matching value. If there is not such a corresponding
     * radio button, this value persists to be applied in case a new radio button is added with a
     * matching value.
     */
    get value(): string;
    set value(value: string);
    /** Whether the radio group is disabled */
    get disabled(): boolean;
    set disabled(value: boolean);
    /**
     * Event emitted when the group value changes.
     * Change events are only emitted when the value changes due to user interaction with
     * a radio button (the same behavior as `<input type="radio">`).
     */
    valueChange: EventEmitter<string>;
    constructor(cdRef: ChangeDetectorRef);
    /** @ignore */
    registerOnChange(fn: (value: any) => void): void;
    /** @ignore */
    registerOnTouched(fn: any): void;
    /** @ignore */
    writeValue(value: any): void;
    /** @ignore */
    setDisabledState(isDisabled: boolean): void;
    /** @ignore */
    onValueChange(value: string): void;
    /** @ignore */
    onBlur(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NcRadioGroupComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<NcRadioGroupComponent, "nc-radio-group", never, { "name": "name"; "value": "value"; "disabled": "disabled"; }, { "valueChange": "valueChange"; }, never, ["*"]>;
}