code: @Nullable
    public static IPSQueryBinding getQueryBindingOfName (@Nullable final String sName)
    {
      if (sName == null)
        return DEFAULT_QUERY_BINDING;
  
      return s_aRWLock.readLocked ( () -> s_aMap.get (sName));
    }
docs: Get the query binding with the specified name.
  
  @param sName
  The name to the query binding to retrieve. May be <code>null</code>.
  If it is <code>null</code> than the {@link #DEFAULT_QUERY_BINDING}
  object is returned.
  @return <code>null</code> if no such query binding was found.