validateBar method
void
validateBar()
Validates that the node supports bar capabilities
Implementation
void validateBar() {
if (!supportsBar) {
final barTypeName = barType == FigmaBarType.top ? 'AppBar' : 'BottomBar';
throw ArgumentError(
'Node of type ${node.runtimeType} does not support $barTypeName capabilities. '
'The node must be a Frame or Instance with horizontal layout and fixed height.',
);
}
}