import { BcfTopicInterface, BcfProjectInterface } from '../models/index';
import { AureliaBcf } from '../aurelia-bcf';
export declare class CommentForm {
    private bcf;
    private eventAggregator;
    private element;
    projectId: string;
    topicId: string;
    commentId: string;
    private instance;
    private viewpointInstance;
    private subscriptions;
    private isAttached;
    private updateSnapshotWhenAttached;
    constructor(bcf: AureliaBcf, eventAggregator: any, element: HTMLElement);
    bind(): void;
    attached(): void;
    private setSnapshot;
    detached(): void;
    private fetchProjectExtensions;
    private setNewInstance;
    private setNewViewpointInstance;
    private setInstanceFromState;
    private setInstanceFromApi;
    private setViewpointInstanceFromApi;
    get project(): BcfProjectInterface;
    get topic(): BcfTopicInterface;
    private dispatchViewpoint;
    addIfcToViewpoint(ifcGuid: string): void;
    removeIfcFromViewpoint(ifcGuid: string): void;
}