public void FindNodeUsingMembers()
{
string text = "class C { void M(int i) { } }";
var tree = SyntaxTree.ParseText(text);
var compilationUnit = (CompilationUnitSyntax)tree.GetRoot();
var typeDeclaration = (TypeDeclarationSyntax)compilationUnit.Members[0];
var methodDeclaration = (MethodDeclarationSyntax)typeDeclaration.Members[0];
ParameterSyntax parameter = methodDeclaration.ParameterList.Parameters[0];
SyntaxToken parameterName = parameter.Identifier;
Assert.AreEqual("i", parameterName.ValueText);
}