altair.typing.ChannelFill

altair.typing.ChannelFill = str | altair.vegalite.v6.schema.channels.Fill | altair.vegalite.v6.schema.channels.FillDatum | altair.vegalite.v6.schema.channels.FillValue | ForwardRef('IntoCondition') | collections.abc.Mapping[str, typing.Any]

Represent a union type

E.g. for int | str