import { LitElement, PropertyValues } from 'lit';
import { ExtendedAPI } from '../API';
import { AppState } from '@infinite-canvas-tutorial/ecs';
export declare class Mask extends LitElement {
    static styles: import("lit").CSSResult;
    appState: AppState;
    api: ExtendedAPI;
    binded: boolean;
    private previousLoading;
    private previousLoadingMessage;
    shouldUpdate(changedProperties: PropertyValues): boolean;
    render(): import("lit").TemplateResult<1>;
}
declare global {
    interface HTMLElementTagNameMap {
        'ic-spectrum-mask': Mask;
    }
}