private AttributedExportDefinition CreateExportDefinition(MemberInfo member, ExportAttribute exportAttribute)
        {
            string contractName = null;
            Type typeIdentityType = null;
            member.GetContractInfoFromExport(exportAttribute, out typeIdentityType, out contractName);

            return new AttributedExportDefinition(this, member, exportAttribute, typeIdentityType, contractName);
        }