private void RegisterAppendAttributeCodefix <AttributeType>(
CodeFixContext context,
string title,
string equivalenceKey,
Diagnostic diagnostic,
EnumMemberDeclarationSyntax offendingFieldDeclaration,
SemanticModel model) where AttributeType : Attribute
{
context.RegisterCodeFix(
CodeAction.Create(
title: title,
createChangedSolution: c => AppendAttributeAsync(
context.Document,
offendingFieldDeclaration,
AttributeUtility.GetAttributeName <AttributeType>(),
AttributeUtility.GetAttributeNamespace <AttributeType>(),
c),
equivalenceKey: equivalenceKey),
diagnostic);
}