It can be used when the style is first updated and then needs to be reset to its initial value.
It doesn't use the color set in the BPMN source when the "BPMN in Color" support is enabled. It uses the color defined in the BPMN element default style.
If a gradient was set, it will be completely reverted.
Possible values are all HTML color names, HEX codes, FillColorGradient, as well as special keywords such as:
defaultto use the color defined in the BPMN element default style.inheritto apply the fill color of the direct parent element.nonefor no color.swimlaneto apply the fill color of the nearest parent element with the type ShapeBpmnElementKind.LANE or ShapeBpmnElementKind.POOL.Notes about the
defaultspecial keyword: