@Override
      public void visit(String name, Object value) {
        final boolean isArray = name == null && myArrayName != null;
        final String argName;
        if (name != null) {
          argName = name;
        }
        else {
          argName = myArrayName;
          // not interested in collecting complete array value; need to know just array type
          myArrayName = null;
        }
        if (argName != null) {
          registerUsages(argName, getMethodDescr(value, isArray), value);
        }
      }
@Override
      public void visit(String name, Object value)