# Source code for openpyxl.chart.updown_bars

    # Copyright (c) 2010-2024 openpyxl

    from openpyxl.descriptors.serialisable import Serialisable
    from openpyxl.descriptors import Typed
    from openpyxl.descriptors.excel import ExtensionList

    from .shapes import GraphicalProperties
    from .axis import ChartLines
    from .descriptors import NestedGapAmount

    class UpDownBars(Serialisable):

        tagname = "upbars"

        gapWidth = NestedGapAmount()
        upBars = Typed(expected_type=ChartLines, allow_none=True)
        downBars = Typed(expected_type=ChartLines, allow_none=True)
        extLst = Typed(expected_type=ExtensionList, allow_none=True)

        __elements__ = ('gapWidth', 'upBars', 'downBars')

        def __init__(self,
                     gapWidth=150,
                     upBars=None,
                     downBars=None,
                     extLst=None,
                    ):
            self.gapWidth = gapWidth
            self.upBars = upBars
            self.downBars = downBars