MultiplexedSessionPrecommitToken
import type { MultiplexedSessionPrecommitToken } from "https://googleapis.deno.dev/v1/spanner:v1.ts";
When a read-write transaction is executed on a multiplexed session, this precommit token is sent back to the client as a part of the Transaction message in the BeginTransaction response and also as a part of the ResultSet and PartialResultSet responses.
interface MultiplexedSessionPrecommitToken {
precommitToken?: Uint8Array;
seqNum?: number;
}