import { JsonValue } from "vtxf-xe2/dist-node/xe2-base-utils";
import { My3dtilesApp } from "../../..";
import { FSceneTreeItem, FSceneTreeItemJsonValue } from "../../../../modules";
import { LoadDataOptionsType } from "./LoadDataOptionsType";
export declare function getM3tojsonFromSceneTreeItems(sceneTreeItems: FSceneTreeItem[]): {
    asset: {
        __m3t_type__: string;
        __m3t_createdTimeStamp__: number;
    };
    sceneTreeItems: JsonValue;
} | undefined;
export declare function isM3tojson(json: JsonValue): boolean;
export declare function isOldM3tojson(json: JsonValue): boolean;
/**
 * 旧格式更新
 * @param json
 * @param copyId
 * @returns
 */
export declare function updateM3tojson(json: JsonValue, copyId?: string): JsonValue | {
    asset: {
        __m3t_type__: string;
        __m3t_createdTimeStamp__: number;
    };
    sceneTreeItems: {
        name: any;
        sceneObj: JsonValue;
    }[];
};
export declare function addSceneTreeItemJsonsToSceneTree(app: My3dtilesApp, sceneTreeItemsJson: FSceneTreeItemJsonValue[], options?: LoadDataOptionsType): FSceneTreeItem | undefined;
export declare function addM3tOJsonToSceneTree(app: My3dtilesApp, m3tojson: JsonValue, options?: LoadDataOptionsType): false | FSceneTreeItem | undefined;
export declare function loadM3tObject(app: My3dtilesApp, url: string, options?: LoadDataOptionsType): Promise<false | FSceneTreeItem | undefined>;