);

  TF_DerivedOperandTypeAttr T = TF_DerivedOperandTypeAttr<0>;

  let extraClassDeclaration = [{
    // TF_LayoutSensitiveInterface:
    SmallVector<unsigned, 4> GetLayoutDependentArgs() { return {0}; }
    SmallVector<unsigned, 4> GetLayoutDependentResults() { return {0}; }
    StringRef GetOptimalLayout(const RuntimeDevices& devices);
    LogicalResult UpdateDataFormat(StringRef data_format);
  }];