code: public void visitTableSwitchInsn(int min, int max, Label dflt,
              Label... labels) {
          if (mv != null) {
              mv.visitTableSwitchInsn(min, max, dflt, labels);
          }
      }
docs: Visits a TABLESWITCH instruction.
  
  @param min
  the minimum key value.
  @param max
  the maximum key value.
  @param dflt
  beginning of the default handler block.
  @param labels
  beginnings of the handler blocks. <tt>labels[i]</tt> is the
  beginning of the handler block for the <tt>min + i</tt> key.