|  | ASM = 'asm' | 
    |  | BDDC = 'bddc' | 
    |  | BFBT = 'bfbt' | 
    |  | BJACOBI = 'bjacobi' | 
    |  | CHOLESKY = 'cholesky' | 
    |  | CHOWILUVIENNACL = 'chowiluviennacl' | 
    |  | COMPOSITE = 'composite' | 
    |  | CP = 'cp' | 
    |  | DEFLATION = 'deflation' | 
    |  | EISENSTAT = 'eisenstat' | 
    |  | EXOTIC = 'exotic' | 
    |  | FIELDSPLIT = 'fieldsplit' | 
    |  | GALERKIN = 'galerkin' | 
    |  | GAMG = 'gamg' | 
    |  | GASM = 'gasm' | 
    |  | HMG = 'hmg' | 
    |  | HPDDM = 'hpddm' | 
    |  | HYPRE = 'hypre' | 
    |  | ICC = 'icc' | 
    |  | ILU = 'ilu' | 
    |  | JACOBI = 'jacobi' | 
    |  | KACZMARZ = 'kaczmarz' | 
    |  | KSP = 'ksp' | 
    |  | LMVM = 'lmvm' | 
    |  | LSC = 'lsc' | 
    |  | LU = 'lu' | 
    |  | MAT = 'mat' | 
    |  | MG = 'mg' | 
    |  | ML = 'ml' | 
    |  | NN = 'nn' | 
    |  | NONE = 'none' | 
    |  | PARMS = 'parms' | 
    |  | PATCH = 'patch' | 
    |  | PBJACOBI = 'pbjacobi' | 
    |  | PFMG = 'pfmg' | 
    |  | PYTHON = 'python' | 
    |  | REDISTRIBUTE = 'redistribute' | 
    |  | REDUNDANT = 'redundant' | 
    |  | ROWSCALINGVIENNACL = 'rowscalingviennacl' | 
    |  | SAVIENNACL = 'saviennacl' | 
    |  | SHELL = 'shell' | 
    |  | SOR = 'sor' | 
    |  | SPAI = 'spai' | 
    |  | SVD = 'svd' | 
    |  | SYSPFMG = 'syspfmg' | 
    |  | TELESCOPE = 'telescope' | 
    |  | TFS = 'tfs' | 
    |  | VPBJACOBI = 'vpbjacobi' | 
    |  | __qualname__ = 'PCType' |