import { Product3dViewer } from '../product-3d-viewer';
import { LitElement, PropertyValues, TemplateResult } from 'lit';
export type ImageUploader = (file: File) => Promise<string>;
export declare class Graphics2DEditor extends LitElement {
    static properties: {
        viewer: {
            attribute: boolean;
        };
        imageUploader: {
            attribute: boolean;
        };
        available: {
            state: boolean;
        };
        targets: {
            state: boolean;
        };
        activeTargetId: {
            state: boolean;
        };
        elements: {
            state: boolean;
        };
        selectedElementId: {
            state: boolean;
        };
        finishes: {
            state: boolean;
        };
        dirty: {
            state: boolean;
        };
        busy: {
            state: boolean;
        };
        error: {
            state: boolean;
        };
        confirmOpen: {
            state: boolean;
        };
    };
    viewer: Product3dViewer | null;
    imageUploader?: ImageUploader;
    private available;
    private targets;
    private activeTargetId;
    private elements;
    private selectedElementId;
    private finishes;
    private dirty;
    private busy;
    private error;
    private confirmOpen;
    private sessionId;
    private confirmResolve?;
    private boundViewer;
    constructor();
    protected createRenderRoot(): HTMLElement | DocumentFragment;
    protected updated(changed: PropertyValues<this>): void;
    disconnectedCallback(): void;
    private unbindViewer;
    private bindViewer;
    private readonly handleSelectionChanged;
    private readonly handleGraphicsChanged;
    private activeTarget;
    private selectedElement;
    private ensureSession;
    private openTarget;
    private askToResolveChanges;
    private resolvePending;
    private allowTransition;
    prepareForOwnerHidden(ownerObjectId: string): Promise<boolean>;
    ownerVisibilityChanged(ownerObjectId: string, visible: boolean): Promise<void>;
    private switchTarget;
    private setError;
    private requireViewer;
    private runMutation;
    private commit;
    private rollback;
    private addImageUrl;
    private addText;
    private uploadFile;
    private updateSelected;
    private renderElementEditor;
    render(): TemplateResult | null;
}