foo(Tensor x, (Tensor, Tensor) y) -> (Tensor, Tensor)
foo(Tensor x, (Tensor, Tensor) y) -> (Tensor, Tensor)
foo(string x, (Tensor, Tensor) y) -> (string, string)
foo(int x, (Tensor, Tensor) y) -> (int, int)
foo(bool x, (Tensor, Tensor) y) -> (bool, bool)
foo(float[] x, (Tensor, Tensor) y) -> (float[], float[])
foo(int[] x, (Tensor, Tensor) y) -> (int[], int[])
foo(int[] x, (Tensor, Tensor) y) -> (int[], int[])
foo(int? x, (Tensor, Tensor) y) -> (int?, int?)