reset method
Implementation
@override
void reset() {
styleDirection = FlexDirection.ltr;
styleCssDirection = FlexCSSDirection.column;
justifyContent = FlexJustify.flexStart;
alignContent = FlexAlign.flexStart;
alignItems = FlexAlign.stretch;
alignSelf = FlexAlign.auto;
positionType = FlexPositionType.relative;
wrap = FlexWrap.noWrap;
overflow = FlexOverflow.visible;
flexGrow = 0;
flexShrink = 0;
flexBasis = undefined;
_width = double.nan;
_height = double.nan;
_top = double.nan;
_left = double.nan;
}