code: public MPConnection getMPConnection(MEConnection conn)
    {
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.entry(tc, "getMPConnection", new Object[] { conn });
  
      MPConnection mpConn;
      synchronized(_mpConnectionsByMEConnection)
      {
        //look up the MPConnection based on the MEConnection
        mpConn = _mpConnectionsByMEConnection.get(conn);      
      }
  
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.exit(tc, "getMPConnection", mpConn);
    
      return mpConn;
    }
docs: Get a MPConnection from the cache
  
  @param conn The MEConnection for which we want a MPConnection for
  @return the MPConnection