def insertIndent():
            if self.useTabs:
                cursor.insertText('\t')
            else:  # indent to integer count of indents from line start
                charsToInsert = self.width - (len(self._qpart.textBeforeCursor()) % self.width)
                cursor.insertText(' ' * charsToInsert)
def _read_flow(self, file_name):
        # Return the flow or a tuple with the flow and the valid_flow_mask if _has_builtin_flow_mask is True
        pass