Singletons/T358.hs:(0,0)-(0,0): Splicing declarations
    singletons
      [d| class C1 (f :: k -> Type) where
            method1 :: f a
          class C2 a where
            method2a, method2b :: forall b. b -> a
          
          instance C1 [] where
            method1 :: [a]
            method1 = []
          instance C2 [a] where
            method2a _ = []
            method2b :: forall b. b -> [a]
            method2b _ = [] |]
  ======>
    class C1 (f :: k -> Type) where
      method1 :: f a
    instance C1 [] where
      method1 :: [a]
      method1 = []
    class C2 a where
      method2a :: forall b. b -> a
      method2b :: forall b. b -> a
    instance C2 [a] where
      method2b :: forall b. b -> [a]
      method2a _ = []
      method2b _ = []
    type Method1Sym0 :: forall f a. f a
    type family Method1Sym0 :: f a where
      Method1Sym0 = Method1
    class PC1 (f :: k -> Type) where
      type family Method1 :: f a
    type Method2aSym0 :: forall b a. (~>) b a
    data Method2aSym0 :: (~>) b a
      where
        Method2aSym0KindInference :: SameKind (Apply Method2aSym0 arg) (Method2aSym1 arg) =>
                                     Method2aSym0 a0123456789876543210
    type instance Apply Method2aSym0 a0123456789876543210 = Method2a a0123456789876543210
    instance SuppressUnusedWarnings Method2aSym0 where
      suppressUnusedWarnings = snd ((,) Method2aSym0KindInference ())
    type Method2aSym1 :: forall b a. b -> a
    type family Method2aSym1 (a0123456789876543210 :: b) :: a where
      Method2aSym1 a0123456789876543210 = Method2a a0123456789876543210
    type Method2bSym0 :: forall b a. (~>) b a
    data Method2bSym0 :: (~>) b a
      where
        Method2bSym0KindInference :: SameKind (Apply Method2bSym0 arg) (Method2bSym1 arg) =>
                                     Method2bSym0 a0123456789876543210
    type instance Apply Method2bSym0 a0123456789876543210 = Method2b a0123456789876543210
    instance SuppressUnusedWarnings Method2bSym0 where
      suppressUnusedWarnings = snd ((,) Method2bSym0KindInference ())
    type Method2bSym1 :: forall b a. b -> a
    type family Method2bSym1 (a0123456789876543210 :: b) :: a where
      Method2bSym1 a0123456789876543210 = Method2b a0123456789876543210
    class PC2 a where
      type family Method2a (arg :: b) :: a
      type family Method2b (arg :: b) :: a
    type Method1_0123456789876543210 :: [a]
    type family Method1_0123456789876543210 :: [a] where
      Method1_0123456789876543210 = NilSym0
    type Method1_0123456789876543210Sym0 :: [a]
    type family Method1_0123456789876543210Sym0 :: [a] where
      Method1_0123456789876543210Sym0 = Method1_0123456789876543210
    instance PC1 [] where
      type Method1 = Method1_0123456789876543210Sym0
    type Method2a_0123456789876543210 :: b -> [a]
    type family Method2a_0123456789876543210 (a :: b) :: [a] where
      Method2a_0123456789876543210 _ = NilSym0
    type Method2a_0123456789876543210Sym0 :: (~>) b [a]
    data Method2a_0123456789876543210Sym0 :: (~>) b [a]
      where
        Method2a_0123456789876543210Sym0KindInference :: SameKind (Apply Method2a_0123456789876543210Sym0 arg) (Method2a_0123456789876543210Sym1 arg) =>
                                                         Method2a_0123456789876543210Sym0 a0123456789876543210
    type instance Apply Method2a_0123456789876543210Sym0 a0123456789876543210 = Method2a_0123456789876543210 a0123456789876543210
    instance SuppressUnusedWarnings Method2a_0123456789876543210Sym0 where
      suppressUnusedWarnings
        = snd ((,) Method2a_0123456789876543210Sym0KindInference ())
    type Method2a_0123456789876543210Sym1 :: b -> [a]
    type family Method2a_0123456789876543210Sym1 (a0123456789876543210 :: b) :: [a] where
      Method2a_0123456789876543210Sym1 a0123456789876543210 = Method2a_0123456789876543210 a0123456789876543210
    type Method2b_0123456789876543210 :: b -> [a]
    type family Method2b_0123456789876543210 (a :: b) :: [a] where
      Method2b_0123456789876543210 _ = NilSym0
    type Method2b_0123456789876543210Sym0 :: (~>) b [a]
    data Method2b_0123456789876543210Sym0 :: (~>) b [a]
      where
        Method2b_0123456789876543210Sym0KindInference :: SameKind (Apply Method2b_0123456789876543210Sym0 arg) (Method2b_0123456789876543210Sym1 arg) =>
                                                         Method2b_0123456789876543210Sym0 a0123456789876543210
    type instance Apply Method2b_0123456789876543210Sym0 a0123456789876543210 = Method2b_0123456789876543210 a0123456789876543210
    instance SuppressUnusedWarnings Method2b_0123456789876543210Sym0 where
      suppressUnusedWarnings
        = snd ((,) Method2b_0123456789876543210Sym0KindInference ())
    type Method2b_0123456789876543210Sym1 :: b -> [a]
    type family Method2b_0123456789876543210Sym1 (a0123456789876543210 :: b) :: [a] where
      Method2b_0123456789876543210Sym1 a0123456789876543210 = Method2b_0123456789876543210 a0123456789876543210
    instance PC2 [a] where
      type Method2a a = Apply Method2a_0123456789876543210Sym0 a
      type Method2b a = Apply Method2b_0123456789876543210Sym0 a
    class SC1 (f :: k -> Type) where
      sMethod1 :: (Sing (Method1Sym0 :: f a) :: Type)
    class SC2 a where
      sMethod2a ::
        forall b (t :: b). Sing t -> Sing (Apply Method2aSym0 t :: a)
      sMethod2b ::
        forall b (t :: b). Sing t -> Sing (Apply Method2bSym0 t :: a)
    instance SC1 [] where
      sMethod1 :: (Sing (Method1Sym0 :: [a]) :: Type)
      sMethod1 = SNil
    instance SC2 [a] where
      sMethod2a ::
        forall b (t :: b). Sing t -> Sing (Apply Method2aSym0 t :: [a])
      sMethod2b ::
        forall b (t :: b). Sing t -> Sing (Apply Method2bSym0 t :: [a])
      sMethod2a _ = SNil
      sMethod2b _ = SNil
    instance SC2 a => SingI (Method2aSym0 :: (~>) b a) where
      sing = singFun1 @Method2aSym0 sMethod2a
    instance SC2 a => SingI (Method2bSym0 :: (~>) b a) where
      sing = singFun1 @Method2bSym0 sMethod2b