src/vs/workbench/contrib/notebook/common/model/notebookTextModel.ts/NotebookTextModel/_isDocumentMetadataChangeTransient
class NotebookTextModel:	private _isDocumentMetadataChangeTransient(a: NotebookDocumentMetadata, b: NotebookDocumentMetadata) {
		const keys = new Set([...Object.keys(a || {}), ...Object.keys(b || {})]);
		for (let key of keys) {
			if (key !== 'trusted') {
				return true;
			}
		}

		return false;
	}