EmptyGroupDescription.h

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#ifndef FWCore_ParameterSet_EmptyGroupDescription_h
#define FWCore_ParameterSet_EmptyGroupDescription_h

#include "FWCore/ParameterSet/interface/ParameterDescriptionNode.h"

#include <iosfwd>
#include <set>
#include <string>

namespace edm {

  class ParameterSet;
  class DocFormatHelper;

  class EmptyGroupDescription : public ParameterDescriptionNode {
  public:
    EmptyGroupDescription();

    ParameterDescriptionNode* clone() const override { return new EmptyGroupDescription(*this); }

  private:
    void checkAndGetLabelsAndTypes_(std::set<std::string>& usedLabels,
                                    std::set<ParameterTypes>& parameterTypes,
                                    std::set<ParameterTypes>& wildcardTypes) const override;

    void validate_(ParameterSet& pset, std::set<std::string>& validatedLabels, bool optional) const override;

    void writeCfi_(std::ostream& os,
                   bool optional,
                   bool& startWithComma,
                   int indentation,
                   CfiOptions&,
                   bool& wroteSomething) const override;

    void print_(std::ostream& os, bool optional, bool writeToCfi, DocFormatHelper& dfh) const override;

    bool exists_(ParameterSet const& pset) const override;

    bool partiallyExists_(ParameterSet const& pset) const override;

    int howManyXORSubNodesExist_(ParameterSet const& pset) const override;
  };
}  // namespace edm
#endif