import { ComponentInterface, EventEmitter } from '../../stencil-public-runtime';
import { LuChangeEvent } from '../../interface';
import { DatasourceInterface } from '../../types/datasource-interface';
export declare class RadioGroup implements ComponentInterface, DatasourceInterface {
    private inputId;
    mutationO: MutationObserver;
    el: HTMLElement;
    /**
     * This is used when the parent form group receives the update event to tell the parent if it should validate or not.
     */
    isResetting: boolean;
    /**
     * Provides a way for users to specify the labeling elements. Pass the id's, separated by a space, to this prop.
     */
    ariaLabeledByAddition: string;
    /**
     * If `true`, the radios can be deselected.
     */
    allowEmptySelection: boolean;
    /**
     * Direction of elements
     */
    direction: 'down' | 'across';
    /**
     * @internal - used by the form group element to declare it's presence
     */
    hasFormGroup: boolean;
    /**
     * id set dynamically
     */
    useId: string;
    /**
     * The name of the control, which is submitted with the form data.
     */
    name: string;
    /**
     * Tells if a value is required from the radio group
     */
    required: boolean;
    /**
     * Used to add is-valid attribute signifying validity
     */
    valid: boolean;
    /**
     * Used to add is-invalid attribute signifying invalidity
     */
    invalid: boolean;
    /**
     * the value of the radio group.
     */
    value: any;
    valueChanged(value: any | undefined): void;
    /**
     * emitted when all radio group is "blurred"
     */
    luBlur: EventEmitter<void>;
    /**
     * Emitted when the value has changed.
     */
    luChange: EventEmitter<LuChangeEvent>;
    connectedCallback(): void;
    disconnectedCallback(): void;
    mutationCallback: (mutationList: MutationRecord[], _observer: MutationObserver) => void;
    handleNewRadio: (radio: HTMLLuRadioElement) => void;
    radioDisconnected: (_radio: HTMLLuRadioElement) => void;
    getRadios: () => HTMLLuRadioElement[];
    updateRadios(checkedRadio?: HTMLLuRadioElement): void;
    /**
     * this gives us a handle to set focus on the element
     */
    setFocus(): Promise<void>;
    /**
     * this is used by the form validation/ form group to reset Value without initiating a validity check
     * @param update
     */
    updateValue(update: any): Promise<void>;
    hostData(): {
        id: string;
        'is-valid': boolean;
        'is-invalid': boolean;
        'aria-labelledby': string;
        class: {
            'is-radio-group': boolean;
            'direction-across': boolean;
        };
        role: string;
    };
}