src/vs/workbench/contrib/notebook/browser/diff/diffElementViewModel.ts/DiffElementViewModelBase/saveMetadataEditorViewState
class DiffElementViewModelBase:	saveMetadataEditorViewState(viewState: editorCommon.ICodeEditorViewState | editorCommon.IDiffEditorViewState | null) {
		this._metadataEditorViewState = viewState;
	}