import { Snackbar } from '@material/mwc-snackbar';
import '@material/mwc-circular-progress';
import { Playground } from '../state/playground';
import { Blackboard } from '../blackboard/blackboard';
declare const PlaygroundContainer_base: import("lit-element").Constructor<import("../blackboard/blackboard-container").BlackboardContainerElement<Playground>>;
export declare class PlaygroundContainer extends PlaygroundContainer_base {
    initialPlayground: Playground;
    snackbar: Snackbar;
    message: string | undefined;
    static get styles(): import("lit-element").CSSResult;
    buildInitialSimulatedPlayground(): Promise<Playground>;
    buildBlackboard(): Blackboard<Playground>;
    firstUpdated(): void;
    showError(error: string): void;
    renderSnackbar(): import("lit-element").TemplateResult;
    render(): import("lit-element").TemplateResult;
}
export {};