add method
Implementation
ResolvedChartInsets add(ResolvedChartInsets other) => ResolvedChartInsets(
left: left + other.left,
top: top + other.top,
right: right + other.right,
bottom: bottom + other.bottom,
);
ResolvedChartInsets add(ResolvedChartInsets other) => ResolvedChartInsets(
left: left + other.left,
top: top + other.top,
right: right + other.right,
bottom: bottom + other.bottom,
);