|  | BAS = 'bas' | 
    |  | CHOLMOD = 'cholmod' | 
    |  | CUDA = 'cuda' | 
    |  | CUSPARSE = 'cusparse' | 
    |  | ELEMENTAL = 'elemental' | 
    |  | ESSL = 'essl' | 
    |  | KLU = 'klu' | 
    |  | LUSOL = 'lusol' | 
    |  | MATLAB = 'matlab' | 
    |  | MKL_CPARDISO = 'mkl_cpardiso' | 
    |  | MKL_PARDISO = 'mkl_pardiso' | 
    |  | MUMPS = 'mumps' | 
    |  | PASTIX = 'pastix' | 
    |  | PETSC = 'petsc' | 
    |  | SPARSEELEMENTAL = 'sparseelemental' | 
    |  | STRUMPACK = 'strumpack' | 
    |  | SUPERLU = 'superlu' | 
    |  | SUPERLU_DIST = 'superlu_dist' | 
    |  | UMFPACK = 'umfpack' | 
    |  | __qualname__ = 'MatSolverType' |