public function embedBillingAddress()
 {
     return $this->mapEmbedded('billingAddress', activeapi\models\common\Address::className(), ['unsetSource' => false]);
 }
 public function attributeLabels()
 {
     $parentAttributeLabels = parent::attributeLabels();
     $attributeLabels = ['default_shipping' => 'Default Shipping', 'default_billing' => 'Default Billing'];
     return array_merge($parentAttributeLabels, $attributeLabels);
 }
 public function embedBilling_address()
 {
     return $this->mapEmbedded('billing_address', Address::className(), ['unsetSource' => false]);
 }