import { LitElement } from 'lit';
export declare class ExmgRadioGroup extends LitElement {
    /**
     * Name of the element
     * @type {String}
     */
    name?: string;
    /**
     * Sets the selected item
     * @type {String}
     */
    selected: string;
    /**
     * Marks the radio group as required
     * @type {Boolean}
     */
    required: boolean;
    /**
     * Allows vertical radio group items
     * @type {Boolean}
     */
    vertical: boolean;
    /**
     * Sets flex wrap
     * @type {Boolean}
     */
    wrap: boolean;
    /**
     * Marks the radio group as invalid for validation
     * @type {Boolean}
     */
    invalid: boolean;
    private litItemName;
    private _onKeyPressed;
    private _handleRadioGroupItemChanged;
    get value(): string;
    set value(value: string);
    constructor();
    /**
     * Handle key press
     * @param e
     */
    private onKeyPressed;
    /**
     * Validate function to  check required and selected
     * @returns {Boolean}
     * @public
     */
    validate(): boolean;
    static styles: import("lit").CSSResult[];
    /**
     * Radio group item change handler
     * @param e
     * @fires exmg-radio-group-changed
     * @private
     */
    private handleRadioGroupItemChanged;
    /**
     * Sets selected item based on the selected property
     * @private
     */
    private setProperSelectedItem;
    connectedCallback(): void;
    disconnectedCallback(): void;
    render(): import("lit-html").TemplateResult<1>;
}
declare global {
    interface HTMLElementTagNameMap {
        'exmg-radio-group': ExmgRadioGroup;
    }
}