import { HasOwner } from "vtxf-xe2/dist-node/xe2-base-utils";
import { My3dtilesApp } from ".";
import { FileHandleType } from "../misc/file";
export declare class ProjectFileManager extends HasOwner<My3dtilesApp> {
    get appProjectManager(): My3dtilesApp;
    private _fileName;
    get fileName(): string;
    set fileName(value: string);
    get fileNameChanged(): import("vtxf-xe2/dist-node/xe2-base-utils").Listener<[string, string]>;
    private _jsonFileHandle;
    get jsonFileHandle(): FileHandleType | undefined;
    private _setJsonFileHandle;
    static openJsFile: () => Promise<void>;
    static loadJsPath: () => Promise<void>;
    openJsFile(): Promise<void>;
    loadJsPath(): Promise<void>;
    constructor(owner: My3dtilesApp);
    open(): Promise<void>;
    saveAs(): Promise<void>;
    save(): Promise<void>;
}