import { CSSResultArray, PropertyValues, TemplateResult } from 'lit';
import { Focusable } from '../../utils/focusable';
declare const LuzmoButtonBase_base: typeof Focusable & {
    new (...args: any[]): import("../../utils/like-anchor").LikeAnchorInterface;
    prototype: import("../../utils/like-anchor").LikeAnchorInterface;
} & {
    new (...args: any[]): import("../../utils/observe-slot-text").SlotTextObservingInterface;
    prototype: import("../../utils/observe-slot-text").SlotTextObservingInterface;
};
/**
 * @slot - text content to be displayed in the Button element
 * @slot icon - icon element(s) to display at the start of the button
 */
export declare class LuzmoButtonBase extends LuzmoButtonBase_base {
    /**
     * @internal
     */
    static get styles(): CSSResultArray;
    active: boolean;
    /**
     * The default behavior of the button.
     * Possible values are: `button` (default), `submit`, and `reset`.
     */
    type: 'button' | 'submit' | 'reset';
    /**
     * @internal
     * HTML anchor element that component clicks by proxy
     */
    private anchorElement;
    /**
     * @internal
     * The element that receives focus when the button is focused.
     */
    get focusElement(): HTMLElement;
    /**
     * @internal
     * Whether the button has a label.
     */
    protected get hasLabel(): boolean;
    /**
     * @internal
     * The content of the button.
     */
    protected get buttonContent(): TemplateResult[];
    constructor();
    private handleClickCapture;
    private proxyFocus;
    private shouldProxyClick;
    renderAnchor(): TemplateResult;
    protected renderButton(): TemplateResult;
    protected render(): TemplateResult;
    protected handleKeydown(event: KeyboardEvent): void;
    private handleKeypress;
    protected handleKeyup(event: KeyboardEvent): void;
    private manageAnchor;
    protected firstUpdated(changed: PropertyValues): void;
    protected updated(changed: PropertyValues): void;
    protected update(changes: PropertyValues): void;
}
export {};