"""lxml custom element classes for DrawingML line-related XML elements."""
from __future__ import annotations
from pptx.enum.dml import MSO_LINE_DASH_STYLE
from pptx.oxml.xmlchemy import BaseOxmlElement, OptionalAttribute
class CT_PresetLineDashProperties(BaseOxmlElement):
"""`a:prstDash` custom element class"""
val = OptionalAttribute("val", MSO_LINE_DASH_STYLE)