code: @Override
      public boolean isOpaque(SynthContext ctx) {
          // Force Table CellRenderers to be opaque
          if ("Table.cellRenderer".equals(ctx.getComponent().getName())) {
              return true;
          }
  
          Boolean opaque = (Boolean) get(ctx, "opaque");
  
          return opaque == null ? false : opaque;
      }
docs: Returns true if the region is opaque.
  
  <p>Overridden to cause this style to populate itself with data from
  UIDefaults, if necessary. If opacity is not specified in UI defaults,
  then it defaults to being non-opaque.</p>
  
  @param  ctx context SynthContext identifying requester
  
  @return true if region is opaque.