code: final int maximumSize(Container container,
              List components,
              FormLayout.Measure minMeasure,
              FormLayout.Measure prefMeasure,
              FormLayout.Measure defaultMeasure) {
          return size.maximumSize(container,
                  components,
                  minMeasure,
                  prefMeasure,
                  defaultMeasure);
      }
docs: Computes the maximum size for the given list of components, using this form spec and the
  specified measure.<p>
  
  Invoked by FormLayout to determine the size of one of my elements
  
  @param container the layout container
  @param components the list of components to measure
  @param minMeasure the measure used to determine the minimum size
  @param prefMeasure the measure used to determine the preferred size
  @param defaultMeasure the measure used to determine the default size
  @return the maximum size in pixels