text: /** Exceptions thrown from TrajectoryParametrization and dependent subsystems.
   */
  
  #ifndef Propagation_Exceptions_H
  #define Propagation_Exceptions_H
  
  //#include <exception>
  #include "FWCore/Utilities/interface/Exception.h"
  #include "FWCore/Utilities/interface/GCC11Compatibility.h"
  
  #include <string>
  
  /// Common base class
  
  class PropagationException final : public cms::Exception {
  public:
    PropagationException( const std::string& message) throw() :  cms::Exception(message)  {}
    ~PropagationException() throw() override {}
  private:
  };
  
  #endif
  