Only sends the sync, does not do anything with the response yet. Handling the response will be implemented in the next several commits, piece by piece. FossilOrigin-Name: 17e299f073f39e55dfe0b8a4bd1b34c8529400138d147df5a7229336df6ba04f
FossilOrigin-Name: cce4e8d73aefdb9a721a42b68b1c769c886d4fdb9a0a45d5bea30f41fe52d237