import { Project } from "@tandem/editor/common";
import { IPoint, Kernel, Metadata, Mutation, Transform, Observable, PropertyWatcher } from "@tandem/common";
import { SyntheticDocument, ISyntheticBrowser, SyntheticElementQuerier } from "@tandem/synthetic-browser";
export declare const MIN_ZOOM = 0.02;
export declare const MAX_ZOOM: number;
export declare class Workspace extends Observable {
    readonly project: Project;
    readonly metadata: Metadata;
    private _zoom;
    translate: IPoint;
    private _browserObserver;
    private _bus;
    private _kernel;
    private _envKernel;
    readonly envKernel: Kernel;
    /**
     */
    showStageTools: boolean;
    /**
     * workspace canvas transform. TODO - may need to move this to WorkspaceCanvas object, or similar
     *
     * @type {Transform}
     */
    transform: Transform;
    /**
     *
     * @type {ISyntheticObject[]}
     */
    selection: any[];
    /**
     * The currently active synthetic browser of this workspace
     *
     * @type {ISyntheticBrowser}
     */
    browser: ISyntheticBrowser;
    readonly browserWatcher: PropertyWatcher<Workspace, ISyntheticBrowser>;
    /**
     * singleton document querier for the editor so that view components
     * aren't calling the expensive querySelector function individually
     */
    readonly documentQuerier: SyntheticElementQuerier<any>;
    readonly envKernelWatcher: PropertyWatcher<Workspace, Kernel>;
    readonly type: string;
    cursor: any;
    constructor(project: Project);
    readonly document: SyntheticDocument;
    openBrowser(): Promise<void | ISyntheticBrowser>;
    /**
     * selects items for editing
     *
     * @param {(ISyntheticObject|ISyntheticObject[])} items to select
     * @param {boolean} [keepPreviousSelection=false] TRUE to keep the previous selection (shift click)
     * @param {boolean} [toggle=false] TRUE to toggle off the items if they're already selected
     */
    select(item: any | any[], keepPreviousSelection?: boolean, toggle?: boolean): void;
    toggleStageTools(): void;
    zoom: number;
    applyFileMutations(mutations: Mutation<any>[]): Promise<void>;
    private onBrowserChange(newBrowser);
    private onBrowserAction(message);
    private updatePropertiesFromBrowser();
}