docs: def lineEdit(self):
          """
          Returns the line editor associated with this combobox.  This will
          return the object stored at the reference for the editor since
          sometimes the internal Qt process will raise a RuntimeError that
          the C/C++ object has been deleted.
          
          :return     <XLineEdit> || None
          """
          try:
              edit = self._lineEdit()
          except TypeError:
              edit = None
  
          if edit is None:
              self._edit = None
          return edit