private void synchronizeWith(InternalDistributedMember target, VersionSource versionMember,
      InternalDistributedMember lostMember) {
    InitialImageOperation op = new InitialImageOperation(this, entries);
    op.synchronizeWith(target, versionMember, lostMember);
  }
synchronize with another member wrt messages from the given "lost" member. This can be used
when a primary bucket crashes to ensure that interrupted message distribution is mended.
geode-core/src/main/java/org/apache/geode/internal/cache/DistributedRegion.java