}

// The sparse spec of strided slice does not correspond to the number of
// dimensions. For example, sparse spec for foo[..., 3:10] for foo of shape (2,
// 4, 8) would have dims = 2.
struct SparseSliceSpec {
  int64_t dims;
  int32_t begin_mask, end_mask, ellipsis_mask, new_axis_mask, shrink_axis_mask;
  const ArrayRef<int64_t> &begin;
  const ArrayRef<int64_t> &end;
  const ArrayRef<int64_t> &strides;
};