85       m_impl.m_mode = Mode::Inlined;  in Update()
118             m_impl.m_mode = Mode::Outsourced;  in Update()
125   bool MightHaveChildren() override { return m_impl.m_mode != Mode::Invalid; }  in MightHaveChildren()
140   enum class Mode { Inlined, Outsourced, Invalid };  enum in NSIndexPathSyntheticFrontEnd
145       case Mode::Inlined:  in GetNumIndexes()
147       case Mode::Outsourced:  in GetNumIndexes()
161       case Mode::Inlined:  in GetIndexAtIndex()
163       case Mode::Outsourced:  in GetIndexAtIndex()
286       case Mode::Inlined:  in Clear()
289       case Mode::Outsourced:  in Clear()
292       case Mode::Invalid:  in Clear()
295       m_mode = Mode::Invalid;  in Clear()
300     Mode m_mode = Mode::Invalid;