import { JsonValue } from "vtxf-xe2/dist-node/xe2-base-utils";
import { FSceneTree, FSceneTreeItem, FSceneTreeItemJsonValue } from "../modules/FTree";
export declare function getM3tOJsonFromSceneTreeItems(sceneTreeItems: FSceneTreeItem[]): {
    asset: {
        __m3t_type__: string;
        __m3t_createdTimeStamp__: number;
    };
    sceneTreeItems: JsonValue;
} | undefined;
/**
 * 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(sceneTreeItemsJson: FSceneTreeItemJsonValue[], sceneTree: FSceneTree): boolean;
export declare function addM3tOJsonToSceneTree(m3tojson: JsonValue, sceneTree: FSceneTree): boolean;