10 #ifdef MOOSE_MFEM_ENABLED    26   virtual void Solve()
 override {}
    27   void Mult(
const mfem::Vector &, mfem::Vector &)
 const override {}
 virtual void Solve() override
Steady-state problem operator with no equation system. 
void Mult(const mfem::Vector &, mfem::Vector &) const override
void SetGridFunctions() override
Interface inherited by ProblemOperator and TimeDomainProblemOperator. Removes duplicated code in both...
ProblemOperator(MFEMProblem &problem)