public override SyntaxNode VisitForEachStatement(ForEachStatementSyntax node)
{
var statement = GetStatementsAsBlock(node);
var line = GetLineNumber(statement) + 2;
var updated = Block(new[] { ThrowIfCancelled.WithTrailingTrivia(GetLineDirective(line)) }.Concat(statement.Statements));
return(base.VisitForEachStatement(node.ReplaceNode(node.Statement, updated)));
}