@Override
  public Object getRaw(DiskId id) {
    acquireReadLock();
    try {
      return getDiskStore().getRaw(this, id);
    } finally {
      releaseReadLock();
    }
  }
This method was added to fix bug 40192. It is like getBytesAndBits except it will return
Token.REMOVE_PHASE1 if the htreeReference has changed (which means a clear was done).

@return an instance of BytesAndBits or Token.REMOVED_PHASE1
geode-core/src/main/java/org/apache/geode/internal/cache/AbstractDiskRegion.java