@Override
    public void visitVariable(@NotNull GrVariable grVariable) {
      super.visitVariable(grVariable);
      if (grVariable instanceof GrField || grVariable instanceof GrParameter) {
        return;
      }
      final String name = grVariable.getName();
      if (isValid(name)) {
        return;
      }
      registerVariableError(grVariable, name);
    }
@Override
    public void visitVariable(@NotNull GrVariable grVariable)