def SetRowsCustomProperties(self, rows, custom_properties):
if not hasattr(rows, "<STR_LIT>"):<EOL><INDENT>rows = [rows]<EOL><DEDENT>for row in rows:<EOL><INDENT>self.__data[row] = (self.__data[row][<NUM_LIT:0>], custom_properties)<EOL><DEDENT>
Sets the custom properties for given row(s).

        Can accept a single row or an iterable of rows.
        Sets the given custom properties for all specified rows.

        Args:
          rows: The row, or rows, to set the custom properties for.
          custom_properties: A string to string dictionary of custom properties to
          set for all rows.