Here is a list of all enums with links to the files they belong to:

• DenseLinearSolver : using.hpp
• IterativeKrylovSolver : using.hpp
• IterativePreconditioner : using.hpp
• LinearSolveBackend : using.hpp
• PolynomialChaosFamily : using.hpp
• PolynomialChaosTruncation : using.hpp
• SparseDirectLinearSolver : using.hpp
• StochasticQuadratureRule : using.hpp