public function findOneByEntityTypeCodeAndAttributeSetName($entityTypeCode, $attributeSetName)
    {

        // initialize the params
        $params = array(
            MemberNames::ENTITY_TYPE_CODE   => $entityTypeCode,
            MemberNames::ATTRIBUTE_SET_NAME => $attributeSetName
        );

        // load and return the attribute set
        $this->eavAttributeSetByEntityTypeCodeAndAttributeSetNameStmt->execute($params);
        return $this->eavAttributeSetByEntityTypeCodeAndAttributeSetNameStmt->fetch(\PDO::FETCH_ASSOC);
    }