src/vs/platform/storage/common/storageIpc.ts/BaseStorageDatabaseClient/updateItems
class BaseStorageDatabaseClient:	updateItems(request: IUpdateRequest): Promise<void> {
		const serializableRequest: ISerializableUpdateRequest = { workspace: this.workspace };

		if (request.insert) {
			serializableRequest.insert = Array.from(request.insert.entries());
		}

		if (request.delete) {
			serializableRequest.delete = Array.from(request.delete.values());
		}

		return this.channel.call('updateItems', serializableRequest);
	}