public ClassDeclaration AddClass(string name, MemberAttributes attributes)
{
if (name == null)
{
throw new ArgumentNullException("name");
}
if (this.Classes.Contains(name))
{
throw new ArgumentException("class already existing in namespace");
}
ClassDeclaration c = new ClassDeclaration(name, this);
c.Attributes = attributes;
this.Classes.Add(c);
return(c);
}