only static method
Implementation
static only({double? left, double? top, double? right, double? bottom}) {
return EdgeInsets.only(
left: left == null ? 0.0 : left.w,
right: right == null ? 0.0 : right.w,
top: top == null ? 0.0 : top.w,
bottom: bottom == null ? 0.0 : bottom.w,
);
}