import { LitElement, CSSResultGroup } from 'lit';
import { V as VntanaViewer, C as Constructor } from './viewer.d-B3wMHF7G.js';

declare const $ancestorViewer: unique symbol;
declare const $contextDisabled: unique symbol;
declare const $i18nVersion: unique symbol;
declare const $element: unique symbol;
declare const $createElement: unique symbol;
declare const $destroyElement: unique symbol;
declare const $onViewerChange: unique symbol;
declare const $onTargetChange: unique symbol;
declare const $onActiveChange: unique symbol;
declare class UIElement extends LitElement {
    #private;
    static get styles(): CSSResultGroup;
    protected [$ancestorViewer]: VntanaViewer | null;
    private [$i18nVersion];
    hidden: boolean;
    disabled: boolean;
    private [$contextDisabled];
    connectedCallback(): void;
    disconnectedCallback(): void;
    protected shouldUpdate(changes: Map<PropertyKey, any>): boolean;
    get contextDisabled(): boolean;
    protected isContextDisabled(): boolean;
    protected queueUpdate: () => void;
}
interface ViewerMixinInterface {
    viewer: VntanaViewer | null;
    readonly computedViewer: VntanaViewer | null;
}
interface TargetMixinInterface {
    target: HTMLElement | null;
    readonly computedTarget: HTMLElement | null;
}
interface ActiveMixinInterface {
    active: boolean;
}
/** BUTTONS **/
declare class ButtonBase extends UIElement {
    static get styles(): CSSResultGroup;
    updated(changes: Map<PropertyKey, any>): void;
}
declare const ElementButton_base: Constructor<ActiveMixinInterface> & Constructor<TargetMixinInterface> & Constructor<ViewerMixinInterface> & typeof ButtonBase;
declare abstract class ElementButton<T extends HTMLElement> extends ElementButton_base {
    #private;
    protected [$element]: T | null;
    protected abstract [$createElement](): T;
    protected [$destroyElement](): void;
    disconnectedCallback(): void;
    protected [$onActiveChange](): void;
    updated(changes: Map<PropertyKey, any>): void;
}
declare const ViewerButton: Constructor<ViewerMixinInterface> & typeof ButtonBase;
type ViewerButton = InstanceType<typeof ViewerButton>;

export { $onTargetChange as $, ButtonBase as B, ElementButton as E, UIElement as U, $onActiveChange as a, $onViewerChange as b, ViewerButton as c, $createElement as d };
export type { ActiveMixinInterface as A, TargetMixinInterface as T, ViewerMixinInterface as V };