private void resumeTX(TXStateProxy state) {
    if (state != null) {
      TXManagerImpl txManager = state.getTxMgr();
      txManager.internalResume(state);
    }
  }
Should only be called holding the dlock
This method iterates through the entire PdxTypes region and syncs the reverse map with the pdx
region This is an expensive operation and should only be called during initialization. A cache
listener is used to keep the reverse maps up to date.
geode-core/src/main/java/org/apache/geode/pdx/internal/PeerTypeRegistration.java