private static SyntaxNode GetNewNode(
DelegateDeclarationSyntax delegateDeclaration,
TypeParameterConstraintSyntax constraint,
SemanticModel semanticModel,
CancellationToken cancellationToken)
{
TypeParameterListSyntax typeParameterList = delegateDeclaration.TypeParameterList;
INamedTypeSymbol delegateSymbol = semanticModel.GetDeclaredSymbol(delegateDeclaration, cancellationToken);
int position = (typeParameterList != null)
? typeParameterList.SpanStart
: delegateDeclaration.Identifier.SpanStart;
string name = GetTypeParameterName(position, semanticModel);
DelegateDeclarationSyntax newNode = delegateDeclaration.AddTypeParameterListParameters(TypeParameter(Identifier(name).WithRenameAnnotation()));
if (constraint != null)
{
newNode = newNode.AddConstraintClauses(TypeParameterConstraintClause(name, constraint));
}
return(newNode);
}