private VbaType FindExistingType(ComTypes.ITypeInfo info)
{
Contract.Requires <ArgumentNullException>(info != null);
var typeName = ComHelper.GetTypeName(info);
var query = PrimitiveTypes
.Concat(UserDefinedTypes)
.Concat(_typeLibraries.LoadedLibraries.SelectMany(l => l.UserDefinedTypes))
.Where(t => t.MatchNameOrAlias(typeName));
return(query.FirstOrDefault());
}