code: @SuppressWarnings("unchecked")
      public Object[] getInUse() {
          return inUseTable != null ? (((Hashtable<PooledWsByteBufferImpl, PooledWsByteBufferImpl>) inUseTable.clone()).keySet().toArray()) : new Object[0];
      }
docs: Return the inUse table.
  
  @return Object[] an array of Objects representing the inUse table