private static MethodDeclarationSyntax GetNewNode(
MethodDeclarationSyntax methodDeclaration,
TypeParameterConstraintSyntax constraint,
SemanticModel semanticModel,
CancellationToken cancellationToken)
{
string name = GetMethodTypeParameterName(semanticModel, methodDeclaration.BodyOrExpressionBody().SpanStart, cancellationToken);
MethodDeclarationSyntax newNode = methodDeclaration.AddTypeParameterListParameters(TypeParameter(Identifier(name).WithRenameAnnotation()));
if (constraint != null)
{
newNode = newNode.AddConstraintClauses(TypeParameterConstraintClause(name, constraint));
}
return(newNode);
}