public override UstNode VisitEventFieldDeclaration(EventFieldDeclarationSyntax node)
{
List <AssignmentExpression> declarations = node.Declaration.Variables
.Select(var => (AssignmentExpression)VisitAndReturnNullIfError(var))
.ToList();
var result = new FieldDeclaration(declarations, node.GetTextSpan(), FileNode)
{
Modifiers = node.Modifiers.Select(ConvertModifier).ToList()
};
return(result);
}