Static ReadonlyViewerStaticBundleStaticExportStaticImportStaticImportImport viewer config from glTF(exported from GLTFViewerConfigExtension.ExportViewerConfig) and sets in scene.importedViewerConfig Must be called from afterRoot in gltf loader. Used in GLTFLoader2.setup Only imports, does not apply.
Optionalscene: any
Export viewer config to glTF(can be imported by GLTFViewerConfigExtension.ImportViewerConfig). Used in GLTFExporter2