Modifiers describe a partial list of properties that can be set with values or shorthand strings: a color for either, and null to hand one back to the theme style.
null
Optional
Sets the fill: a color, a fill, or fill properties; null clears it.
Sets the line: a color, a stroke, or stroke properties; null for the theme style's.
Modifiers describe a partial list of properties that can be set with values or shorthand strings: a color for either, and
nullto hand one back to the theme style.