pub fn verify_membership_head_reference(
head: &AuthorHead,
expected_coord: &MembershipCoord,
expected_head_hash: ObjectHash,
registration: &StoreDeviceRegistration,
) -> Result<(), StoreProtocolError>pub fn verify_membership_head_reference(
head: &AuthorHead,
expected_coord: &MembershipCoord,
expected_head_hash: ObjectHash,
registration: &StoreDeviceRegistration,
) -> Result<(), StoreProtocolError>