diff --git a/app/code/Magento/AdvancedSearch/Model/Recommendations/DataProvider.php b/app/code/Magento/AdvancedSearch/Model/Recommendations/DataProvider.php
index 546983bb5e5a8..c0c224766eb3c 100644
--- a/app/code/Magento/AdvancedSearch/Model/Recommendations/DataProvider.php
+++ b/app/code/Magento/AdvancedSearch/Model/Recommendations/DataProvider.php
@@ -10,6 +10,9 @@
 use Magento\Search\Model\QueryInterface;
 use Magento\AdvancedSearch\Model\SuggestedQueriesInterface;
 
+/**
+ * Class DataProvider
+ */
 class DataProvider implements SuggestedQueriesInterface
 {
     /**
@@ -51,6 +54,8 @@ class DataProvider implements SuggestedQueriesInterface
     private $recommendationsFactory;
 
     /**
+     * DataProvider constructor.
+     *
      * @param ScopeConfigInterface $scopeConfig
      * @param \Magento\Catalog\Model\Layer\Resolver $layerResolver
      * @param \Magento\AdvancedSearch\Model\ResourceModel\RecommendationsFactory $recommendationsFactory
@@ -69,18 +74,20 @@ public function __construct(
     }
 
     /**
+     * Is Results Count Enabled
+     *
      * @return bool
      */
     public function isResultsCountEnabled()
     {
-        return (bool)$this->scopeConfig->getValue(
+        return $this->scopeConfig->isSetFlag(
             self::CONFIG_RESULTS_COUNT_ENABLED,
             ScopeInterface::SCOPE_STORE
         );
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function getItems(QueryInterface $query)
     {
@@ -102,6 +109,8 @@ public function getItems(QueryInterface $query)
     }
 
     /**
+     * Return Search Recommendations
+     *
      * @param QueryInterface $query
      * @return array
      */
@@ -126,17 +135,21 @@ private function getSearchRecommendations(\Magento\Search\Model\QueryInterface $
     }
 
     /**
+     * Is Search Recommendations Enabled
+     *
      * @return bool
      */
     private function isSearchRecommendationsEnabled()
     {
-        return (bool)$this->scopeConfig->getValue(
+        return $this->scopeConfig->isSetFlag(
             self::CONFIG_IS_ENABLED,
             ScopeInterface::SCOPE_STORE
         );
     }
 
     /**
+     * Return Search Recommendations Count
+     *
      * @return int
      */
     private function getSearchRecommendationsCount()
diff --git a/app/code/Magento/CatalogInventory/Model/Configuration.php b/app/code/Magento/CatalogInventory/Model/Configuration.php
index 2f0415b40dc01..8b0849c8874bc 100644
--- a/app/code/Magento/CatalogInventory/Model/Configuration.php
+++ b/app/code/Magento/CatalogInventory/Model/Configuration.php
@@ -9,6 +9,7 @@
 use Magento\CatalogInventory\Helper\Minsaleqty as MinsaleqtyHelper;
 use Magento\Framework\App\Config\ScopeConfigInterface;
 use Magento\Catalog\Model\ProductTypes\ConfigInterface;
+use Magento\Store\Model\ScopeInterface;
 use Magento\Store\Model\StoreManagerInterface;
 
 /**
@@ -131,6 +132,8 @@ class Configuration implements StockConfigurationInterface
     protected $storeManager;
 
     /**
+     * Configuration constructor.
+     *
      * @param ConfigInterface $config
      * @param ScopeConfigInterface $scopeConfig
      * @param MinsaleqtyHelper $minsaleqtyHelper
@@ -149,7 +152,7 @@ public function __construct(
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function getDefaultScopeId()
     {
@@ -159,6 +162,8 @@ public function getDefaultScopeId()
     }
 
     /**
+     * Is Qty Type Ids
+     *
      * @param int|null $filter
      * @return array
      */
@@ -182,6 +187,8 @@ public function getIsQtyTypeIds($filter = null)
     }
 
     /**
+     * Is Qty
+     *
      * @param int $productTypeId
      * @return bool
      */
@@ -201,12 +208,14 @@ public function canSubtractQty($store = null)
     {
         return $this->scopeConfig->isSetFlag(
             self::XML_PATH_CAN_SUBTRACT,
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE,
+            ScopeInterface::SCOPE_STORE,
             $store
         );
     }
 
     /**
+     * Get Min Qty
+     *
      * @param null|string|bool|int|\Magento\Store\Model\Store $store
      * @return float
      */
@@ -214,12 +223,14 @@ public function getMinQty($store = null)
     {
         return (float)$this->scopeConfig->getValue(
             self::XML_PATH_MIN_QTY,
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE,
+            ScopeInterface::SCOPE_STORE,
             $store
         );
     }
 
     /**
+     * Get Min Sale Qty
+     *
      * @param null|string|bool|int|\Magento\Store\Model\Store $store
      * @param int $customerGroupId
      * @return float
@@ -230,6 +241,8 @@ public function getMinSaleQty($store = null, $customerGroupId = null)
     }
 
     /**
+     * Get Max Sale Qty
+     *
      * @param null|string|bool|int|\Magento\Store\Model\Store $store
      * @return float|null
      */
@@ -237,12 +250,14 @@ public function getMaxSaleQty($store = null)
     {
         return (float)$this->scopeConfig->getValue(
             self::XML_PATH_MAX_SALE_QTY,
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE,
+            ScopeInterface::SCOPE_STORE,
             $store
         );
     }
 
     /**
+     * Get Notify Stock Qty
+     *
      * @param null|string|bool|int|\Magento\Store\Model\Store $store
      * @return float
      */
@@ -250,7 +265,7 @@ public function getNotifyStockQty($store = null)
     {
         return (float) $this->scopeConfig->getValue(
             self::XML_PATH_NOTIFY_STOCK_QTY,
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE,
+            ScopeInterface::SCOPE_STORE,
             $store
         );
     }
@@ -264,14 +279,16 @@ public function getNotifyStockQty($store = null)
      */
     public function getEnableQtyIncrements($store = null)
     {
-        return (bool) $this->scopeConfig->getValue(
+        return $this->scopeConfig->isSetFlag(
             self::XML_PATH_ENABLE_QTY_INCREMENTS,
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE,
+            ScopeInterface::SCOPE_STORE,
             $store
         );
     }
 
     /**
+     * Get Qty Increments
+     *
      * @param null|string|bool|int|\Magento\Store\Model\Store $store
      * @return float
      */
@@ -279,7 +296,7 @@ public function getQtyIncrements($store = null)
     {
         return (float)$this->scopeConfig->getValue(
             self::XML_PATH_QTY_INCREMENTS,
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE,
+            ScopeInterface::SCOPE_STORE,
             $store
         );
     }
@@ -294,7 +311,7 @@ public function getBackorders($store = null)
     {
         return (int) $this->scopeConfig->getValue(
             self::XML_PATH_BACKORDERS,
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE,
+            ScopeInterface::SCOPE_STORE,
             $store
         );
     }
@@ -309,7 +326,7 @@ public function getManageStock($store = null)
     {
         return (int) $this->scopeConfig->isSetFlag(
             self::XML_PATH_MANAGE_STOCK,
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE,
+            ScopeInterface::SCOPE_STORE,
             $store
         );
     }
@@ -325,7 +342,7 @@ public function getCanBackInStock($store = null)
     {
         return $this->scopeConfig->isSetFlag(
             self::XML_PATH_CAN_BACK_IN_STOCK,
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE,
+            ScopeInterface::SCOPE_STORE,
             $store
         );
     }
@@ -340,7 +357,7 @@ public function isShowOutOfStock($store = null)
     {
         return $this->scopeConfig->isSetFlag(
             self::XML_PATH_SHOW_OUT_OF_STOCK,
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE,
+            ScopeInterface::SCOPE_STORE,
             $store
         );
     }
@@ -355,14 +372,13 @@ public function isAutoReturnEnabled($store = null)
     {
         return $this->scopeConfig->isSetFlag(
             self::XML_PATH_ITEM_AUTO_RETURN,
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE,
+            ScopeInterface::SCOPE_STORE,
             $store
         );
     }
 
     /**
-     * Get 'Display product stock status' option value
-     * Shows if it is necessary to show product stock status ('in stock'/'out of stock')
+     * Display product stock status. Shows if it is necessary to show product stock status in stock/out of stock.
      *
      * @param null|string|bool|int|\Magento\Store\Model\Store $store
      * @return bool
@@ -371,12 +387,14 @@ public function isDisplayProductStockStatus($store = null)
     {
         return $this->scopeConfig->isSetFlag(
             self::XML_PATH_DISPLAY_PRODUCT_STOCK_STATUS,
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE,
+            ScopeInterface::SCOPE_STORE,
             $store
         );
     }
 
     /**
+     * Get Default Config Value
+     *
      * @param string $field
      * @param null|string|bool|int|\Magento\Store\Model\Store $store
      * @return string|null
@@ -385,12 +403,14 @@ public function getDefaultConfigValue($field, $store = null)
     {
         return $this->scopeConfig->getValue(
             self::XML_PATH_ITEM . $field,
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE,
+            ScopeInterface::SCOPE_STORE,
             $store
         );
     }
 
     /**
+     * Get Stock Threshold Qty
+     *
      * @param null|string|bool|int|\Magento\Store\Model\Store $store
      * @return string|null
      */
@@ -398,7 +418,7 @@ public function getStockThresholdQty($store = null)
     {
         return $this->scopeConfig->getValue(
             self::XML_PATH_STOCK_THRESHOLD_QTY,
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE,
+            ScopeInterface::SCOPE_STORE,
             $store
         );
     }
diff --git a/app/code/Magento/CatalogInventory/Test/Unit/Model/ConfigurationTest.php b/app/code/Magento/CatalogInventory/Test/Unit/Model/ConfigurationTest.php
index d2779b79b30d7..cefc4ada7d212 100644
--- a/app/code/Magento/CatalogInventory/Test/Unit/Model/ConfigurationTest.php
+++ b/app/code/Magento/CatalogInventory/Test/Unit/Model/ConfigurationTest.php
@@ -144,7 +144,7 @@ public function testGetEnableQtyIncrements()
         $store = 1;
 
         $this->scopeConfigMock->expects($this->once())
-            ->method('getValue')
+            ->method('isSetFlag')
             ->with(
                 Configuration::XML_PATH_ENABLE_QTY_INCREMENTS,
                 \Magento\Store\Model\ScopeInterface::SCOPE_STORE,
diff --git a/app/code/Magento/Checkout/Helper/Data.php b/app/code/Magento/Checkout/Helper/Data.php
index 0f2326d37c1ad..40bdf93d161ed 100644
--- a/app/code/Magento/Checkout/Helper/Data.php
+++ b/app/code/Magento/Checkout/Helper/Data.php
@@ -59,6 +59,8 @@ class Data extends \Magento\Framework\App\Helper\AbstractHelper
     private $paymentFailures;
 
     /**
+     * Data constructor.
+     *
      * @param \Magento\Framework\App\Helper\Context $context
      * @param \Magento\Store\Model\StoreManagerInterface $storeManager
      * @param \Magento\Checkout\Model\Session $checkoutSession
@@ -113,6 +115,8 @@ public function getQuote()
     }
 
     /**
+     * Format Price
+     *
      * @param float $price
      * @return string
      */
@@ -127,6 +131,8 @@ public function formatPrice($price)
     }
 
     /**
+     * Convert Price
+     *
      * @param float $price
      * @param bool $format
      * @return float
@@ -145,9 +151,9 @@ public function convertPrice($price, $format = true)
      */
     public function canOnepageCheckout()
     {
-        return (bool)$this->scopeConfig->getValue(
+        return $this->scopeConfig->isSetFlag(
             'checkout/options/onepage_checkout_enabled',
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE
+            ScopeInterface::SCOPE_STORE
         );
     }
 
@@ -184,6 +190,8 @@ public function getSubtotalInclTax($item)
     }
 
     /**
+     * Get Base Price Incl Tax
+     *
      * @param AbstractItem $item
      * @return float
      */
@@ -196,6 +204,8 @@ public function getBasePriceInclTax($item)
     }
 
     /**
+     * Get Base Subtotal Incl Tax
+     *
      * @param AbstractItem $item
      * @return float
      */
@@ -217,13 +227,15 @@ public function sendPaymentFailedEmail(
         \Magento\Quote\Model\Quote $checkout,
         string $message,
         string $checkoutType = 'onepage'
-    ): \Magento\Checkout\Helper\Data {
+    ): Data {
         $this->paymentFailures->handle((int)$checkout->getId(), $message, $checkoutType);
 
         return $this;
     }
 
     /**
+     * Get Emails
+     *
      * @param string $configPath
      * @param null|string|bool|int|Store $storeId
      * @return array|false
@@ -232,7 +244,7 @@ protected function _getEmails($configPath, $storeId)
     {
         $data = $this->scopeConfig->getValue(
             $configPath,
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE,
+            ScopeInterface::SCOPE_STORE,
             $storeId
         );
         if (!empty($data)) {
@@ -242,8 +254,7 @@ protected function _getEmails($configPath, $storeId)
     }
 
     /**
-     * Check is allowed Guest Checkout
-     * Use config settings and observer
+     * Check is allowed Guest Checkout. Use config settings and observer
      *
      * @param \Magento\Quote\Model\Quote $quote
      * @param int|Store $store
@@ -256,7 +267,7 @@ public function isAllowedGuestCheckout(\Magento\Quote\Model\Quote $quote, $store
         }
         $guestCheckout = $this->scopeConfig->isSetFlag(
             self::XML_PATH_GUEST_CHECKOUT,
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE,
+            ScopeInterface::SCOPE_STORE,
             $store
         );
 
@@ -295,13 +306,13 @@ public function isCustomerMustBeLogged()
     {
         return $this->scopeConfig->isSetFlag(
             self::XML_PATH_CUSTOMER_MUST_BE_LOGGED,
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE
+            ScopeInterface::SCOPE_STORE
         );
     }
 
     /**
-     * Checks if display billing address on payment method is available, otherwise
-     * billing address should be display on payment page
+     * If display billing address on payment method is available, otherwise should be display on payment page
+     *
      * @return bool
      */
     public function isDisplayBillingOnPaymentMethodAvailable()
diff --git a/app/code/Magento/Checkout/Test/Unit/Helper/DataTest.php b/app/code/Magento/Checkout/Test/Unit/Helper/DataTest.php
index 53132ffaa748b..089ea15726c68 100644
--- a/app/code/Magento/Checkout/Test/Unit/Helper/DataTest.php
+++ b/app/code/Magento/Checkout/Test/Unit/Helper/DataTest.php
@@ -179,7 +179,7 @@ public function testConvertPrice()
 
     public function testCanOnepageCheckout()
     {
-        $this->scopeConfig->expects($this->once())->method('getValue')->with(
+        $this->scopeConfig->expects($this->once())->method('isSetFlag')->with(
             'checkout/options/onepage_checkout_enabled',
             'store'
         )->will($this->returnValue(true));
diff --git a/app/code/Magento/Customer/Helper/Address.php b/app/code/Magento/Customer/Helper/Address.php
index cfc76753fa10a..7c81e29325823 100644
--- a/app/code/Magento/Customer/Helper/Address.php
+++ b/app/code/Magento/Customer/Helper/Address.php
@@ -10,6 +10,8 @@
 use Magento\Customer\Api\Data\AttributeMetadataInterface;
 use Magento\Directory\Model\Country\Format;
 use Magento\Framework\Exception\NoSuchEntityException;
+use Magento\Framework\View\Element\BlockInterface;
+use Magento\Store\Model\ScopeInterface;
 
 /**
  * Customer address helper
@@ -94,6 +96,8 @@ class Address extends \Magento\Framework\App\Helper\AbstractHelper
     protected $_addressConfig;
 
     /**
+     * Address constructor.
+     *
      * @param \Magento\Framework\App\Helper\Context $context
      * @param \Magento\Framework\View\Element\BlockFactory $blockFactory
      * @param \Magento\Store\Model\StoreManagerInterface $storeManager
@@ -173,7 +177,9 @@ public function getRenderer($renderer)
      *
      * @param string $key
      * @param \Magento\Store\Model\Store|int|string $store
+     *
      * @return string|null
+     * @throws NoSuchEntityException
      */
     public function getConfig($key, $store = null)
     {
@@ -182,7 +188,7 @@ public function getConfig($key, $store = null)
         if (!isset($this->_config[$websiteId])) {
             $this->_config[$websiteId] = $this->scopeConfig->getValue(
                 'customer/address',
-                \Magento\Store\Model\ScopeInterface::SCOPE_STORE,
+                ScopeInterface::SCOPE_STORE,
                 $store
             );
         }
@@ -193,7 +199,10 @@ public function getConfig($key, $store = null)
      * Return Number of Lines in a Street Address for store
      *
      * @param \Magento\Store\Model\Store|int|string $store
+     *
      * @return int
+     * @throws NoSuchEntityException
+     * @throws \Magento\Framework\Exception\LocalizedException
      */
     public function getStreetLines($store = null)
     {
@@ -242,7 +251,9 @@ public function getFormatTypeRenderer($code)
      * Determine if specified address config value can be shown
      *
      * @param string $key
+     *
      * @return bool
+     * @throws NoSuchEntityException
      */
     public function canShowConfig($key)
     {
@@ -253,9 +264,11 @@ public function canShowConfig($key)
      * Get string with frontend validation classes for attribute
      *
      * @param string $attributeCode
+     *
      * @return string
      *
      * @SuppressWarnings(PHPMD.NPathComplexity)
+     * @throws \Magento\Framework\Exception\LocalizedException
      */
     public function getAttributeValidationClass($attributeCode)
     {
@@ -323,9 +336,9 @@ public function convertStreetLines($origStreets, $toCount)
      */
     public function isVatValidationEnabled($store = null)
     {
-        return (bool)$this->scopeConfig->getValue(
+        return $this->scopeConfig->isSetFlag(
             self::XML_PATH_VAT_VALIDATION_ENABLED,
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE,
+            ScopeInterface::SCOPE_STORE,
             $store
         );
     }
@@ -337,9 +350,9 @@ public function isVatValidationEnabled($store = null)
      */
     public function isDisableAutoGroupAssignDefaultValue()
     {
-        return (bool)$this->scopeConfig->getValue(
+        return $this->scopeConfig->isSetFlag(
             self::XML_PATH_VIV_DISABLE_AUTO_ASSIGN_DEFAULT,
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE
+            ScopeInterface::SCOPE_STORE
         );
     }
 
@@ -351,9 +364,9 @@ public function isDisableAutoGroupAssignDefaultValue()
      */
     public function hasValidateOnEachTransaction($store = null)
     {
-        return (bool)$this->scopeConfig->getValue(
+        return $this->scopeConfig->isSetFlag(
             self::XML_PATH_VIV_ON_EACH_TRANSACTION,
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE,
+            ScopeInterface::SCOPE_STORE,
             $store
         );
     }
@@ -368,7 +381,7 @@ public function getTaxCalculationAddressType($store = null)
     {
         return (string)$this->scopeConfig->getValue(
             self::XML_PATH_VIV_TAX_CALCULATION_ADDRESS_TYPE,
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE,
+            ScopeInterface::SCOPE_STORE,
             $store
         );
     }
@@ -380,9 +393,9 @@ public function getTaxCalculationAddressType($store = null)
      */
     public function isVatAttributeVisible()
     {
-        return (bool)$this->scopeConfig->getValue(
+        return $this->scopeConfig->isSetFlag(
             self::XML_PATH_VAT_FRONTEND_VISIBILITY,
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE
+            ScopeInterface::SCOPE_STORE
         );
     }
 
@@ -390,7 +403,10 @@ public function isVatAttributeVisible()
      * Retrieve attribute visibility
      *
      * @param string $code
+     *
      * @return bool
+     * @throws NoSuchEntityException
+     * @throws \Magento\Framework\Exception\LocalizedException
      * @since 100.2.0
      */
     public function isAttributeVisible($code)
diff --git a/app/code/Magento/Customer/Model/AccountConfirmation.php b/app/code/Magento/Customer/Model/AccountConfirmation.php
index 7d01ff0efc411..f29330af25874 100644
--- a/app/code/Magento/Customer/Model/AccountConfirmation.php
+++ b/app/code/Magento/Customer/Model/AccountConfirmation.php
@@ -10,8 +10,7 @@
 use Magento\Framework\Registry;
 
 /**
- * Class AccountConfirmation.
- * Checks if email confirmation required for customer.
+ * Class AccountConfirmation. Checks if email confirmation required for customer.
  */
 class AccountConfirmation
 {
@@ -31,6 +30,8 @@ class AccountConfirmation
     private $registry;
 
     /**
+     * AccountConfirmation constructor.
+     *
      * @param ScopeConfigInterface $scopeConfig
      * @param Registry $registry
      */
@@ -56,7 +57,7 @@ public function isConfirmationRequired($websiteId, $customerId, $customerEmail):
             return false;
         }
 
-        return (bool)$this->scopeConfig->getValue(
+        return $this->scopeConfig->isSetFlag(
             self::XML_PATH_IS_CONFIRM,
             ScopeInterface::SCOPE_WEBSITES,
             $websiteId
diff --git a/app/code/Magento/Customer/Test/Unit/Helper/AddressTest.php b/app/code/Magento/Customer/Test/Unit/Helper/AddressTest.php
index fd06f778efe45..2c49a81676c1e 100644
--- a/app/code/Magento/Customer/Test/Unit/Helper/AddressTest.php
+++ b/app/code/Magento/Customer/Test/Unit/Helper/AddressTest.php
@@ -212,7 +212,7 @@ public function getConvertStreetLinesDataProvider()
     public function testIsVatValidationEnabled($store, $result)
     {
         $this->scopeConfig->expects($this->once())
-            ->method('getValue')
+            ->method('isSetFlag')
             ->with(
                 \Magento\Customer\Helper\Address::XML_PATH_VAT_VALIDATION_ENABLED,
                 \Magento\Store\Model\ScopeInterface::SCOPE_STORE,
@@ -242,7 +242,7 @@ public function getVatValidationEnabledDataProvider()
     public function testHasValidateOnEachTransaction($store, $result)
     {
         $this->scopeConfig->expects($this->once())
-            ->method('getValue')
+            ->method('isSetFlag')
             ->with(
                 \Magento\Customer\Helper\Address::XML_PATH_VIV_ON_EACH_TRANSACTION,
                 \Magento\Store\Model\ScopeInterface::SCOPE_STORE,
@@ -297,7 +297,7 @@ public function getTaxCalculationAddressTypeDataProvider()
     public function testIsDisableAutoGroupAssignDefaultValue()
     {
         $this->scopeConfig->expects($this->once())
-            ->method('getValue')
+            ->method('isSetFlag')
             ->with(
                 \Magento\Customer\Helper\Address::XML_PATH_VIV_DISABLE_AUTO_ASSIGN_DEFAULT,
                 \Magento\Store\Model\ScopeInterface::SCOPE_STORE
@@ -309,7 +309,7 @@ public function testIsDisableAutoGroupAssignDefaultValue()
     public function testIsVatAttributeVisible()
     {
         $this->scopeConfig->expects($this->once())
-            ->method('getValue')
+            ->method('isSetFlag')
             ->with(
                 \Magento\Customer\Helper\Address::XML_PATH_VAT_FRONTEND_VISIBILITY,
                 \Magento\Store\Model\ScopeInterface::SCOPE_STORE
diff --git a/app/code/Magento/Customer/Test/Unit/Model/AccountConfirmationTest.php b/app/code/Magento/Customer/Test/Unit/Model/AccountConfirmationTest.php
index ae246665b28ed..1ce80d9d1e99b 100644
--- a/app/code/Magento/Customer/Test/Unit/Model/AccountConfirmationTest.php
+++ b/app/code/Magento/Customer/Test/Unit/Model/AccountConfirmationTest.php
@@ -59,7 +59,7 @@ public function testIsConfirmationRequired(
         $websiteId = 1;
 
         $this->scopeConfig->expects($this->any())
-            ->method('getValue')
+            ->method('isSetFlag')
             ->with(
                 $this->accountConfirmation::XML_PATH_IS_CONFIRM,
                 ScopeInterface::SCOPE_WEBSITES,
diff --git a/app/code/Magento/Customer/Test/Unit/Ui/Component/DataProvider/DocumentTest.php b/app/code/Magento/Customer/Test/Unit/Ui/Component/DataProvider/DocumentTest.php
index 1d7905cca7941..a9c6de72acbef 100644
--- a/app/code/Magento/Customer/Test/Unit/Ui/Component/DataProvider/DocumentTest.php
+++ b/app/code/Magento/Customer/Test/Unit/Ui/Component/DataProvider/DocumentTest.php
@@ -175,7 +175,7 @@ public function testGetConfirmationAttribute()
         $this->document->setData('original_website_id', $websiteId);
 
         $this->scopeConfig->expects(static::once())
-            ->method('getValue')
+            ->method('isSetFlag')
             ->with()
             ->willReturn(true);
 
diff --git a/app/code/Magento/Customer/Ui/Component/DataProvider/Document.php b/app/code/Magento/Customer/Ui/Component/DataProvider/Document.php
index a9a5c5b17744e..468a9e7946f2d 100644
--- a/app/code/Magento/Customer/Ui/Component/DataProvider/Document.php
+++ b/app/code/Magento/Customer/Ui/Component/DataProvider/Document.php
@@ -72,6 +72,7 @@ class Document extends \Magento\Framework\View\Element\UiComponent\DataProvider\
 
     /**
      * Document constructor.
+     *
      * @param AttributeValueFactory $attributeValueFactory
      * @param GroupRepositoryInterface $groupRepository
      * @param CustomerMetadataInterface $customerMetadata
@@ -118,9 +119,10 @@ public function getCustomAttribute($attributeCode)
     }
 
     /**
-     * Update customer gender value
-     * Method set gender label instead of id value
+     * Update customer gender value. Method set gender label instead of id value
+     *
      * @return void
+     * @throws \Magento\Framework\Exception\LocalizedException
      */
     private function setGenderValue()
     {
@@ -141,9 +143,10 @@ private function setGenderValue()
     }
 
     /**
-     * Update customer group value
-     * Method set group code instead id value
+     * Update customer group value. Method set group code instead id value
+     *
      * @return void
+     * @throws \Magento\Framework\Exception\LocalizedException
      */
     private function setCustomerGroupValue()
     {
@@ -157,8 +160,8 @@ private function setCustomerGroupValue()
     }
 
     /**
-     * Update website value
-     * Method set website name instead id value
+     * Update website value. Method set website name instead id value
+     *
      * @return void
      */
     private function setWebsiteValue()
@@ -170,22 +173,22 @@ private function setWebsiteValue()
     }
 
     /**
-     * Update confirmation value
-     * Method set confirmation text value to match what is shown in grid
+     * Update confirmation value. Method set confirmation text value to match what is shown in grid
+     *
      * @return void
      */
     private function setConfirmationValue()
     {
         $value = $this->getData(self::$confirmationAttributeCode);
         $websiteId = $this->getData(self::$websiteIdAttributeCode) ?: $this->getData(self::$websiteAttributeCode);
-        $isConfirmationRequired = (bool)$this->scopeConfig->getValue(
+        $isConfirmRequired = $this->scopeConfig->isSetFlag(
             AccountManagement::XML_PATH_IS_CONFIRM,
             ScopeInterface::SCOPE_WEBSITES,
             $websiteId
         );
 
         $valueText = __('Confirmation Not Required');
-        if ($isConfirmationRequired) {
+        if ($isConfirmRequired) {
             $valueText = $value === null ? __('Confirmed') : __('Confirmation Required');
         }
 
@@ -193,8 +196,8 @@ private function setConfirmationValue()
     }
 
     /**
-     * Update lock expires value
-     * Method set account lock text value to match what is shown in grid
+     * Update lock expires value. Method set account lock text value to match what is shown in grid
+     *
      * @return void
      */
     private function setAccountLockValue()
diff --git a/app/code/Magento/Directory/Helper/Data.php b/app/code/Magento/Directory/Helper/Data.php
index 99e1d1ad5394e..3a5558e6d6f3d 100644
--- a/app/code/Magento/Directory/Helper/Data.php
+++ b/app/code/Magento/Directory/Helper/Data.php
@@ -6,7 +6,15 @@
 
 namespace Magento\Directory\Helper;
 
+use Magento\Directory\Model\Currency;
+use Magento\Directory\Model\CurrencyFactory;
+use Magento\Directory\Model\ResourceModel\Country\Collection;
+use Magento\Directory\Model\ResourceModel\Region\CollectionFactory;
+use Magento\Framework\App\Cache\Type\Config;
+use Magento\Framework\App\Helper\Context;
+use Magento\Framework\Json\Helper\Data as JsonData;
 use Magento\Store\Model\ScopeInterface;
+use Magento\Store\Model\StoreManagerInterface;
 
 /**
  * Directory data helper
@@ -53,7 +61,7 @@ class Data extends \Magento\Framework\App\Helper\AbstractHelper
     /**
      * Country collection
      *
-     * @var \Magento\Directory\Model\ResourceModel\Country\Collection
+     * @var Collection
      */
     protected $_countryCollection;
 
@@ -86,47 +94,49 @@ class Data extends \Magento\Framework\App\Helper\AbstractHelper
     protected $_optZipCountries = null;
 
     /**
-     * @var \Magento\Framework\App\Cache\Type\Config
+     * @var Config
      */
     protected $_configCacheType;
 
     /**
-     * @var \Magento\Directory\Model\ResourceModel\Region\CollectionFactory
+     * @var CollectionFactory
      */
     protected $_regCollectionFactory;
 
     /**
-     * @var \Magento\Framework\Json\Helper\Data
+     * @var JsonData
      */
     protected $jsonHelper;
 
     /**
-     * @var \Magento\Store\Model\StoreManagerInterface
+     * @var StoreManagerInterface
      */
     protected $_storeManager;
 
     /**
-     * @var \Magento\Directory\Model\CurrencyFactory
+     * @var CurrencyFactory
      */
     protected $_currencyFactory;
 
     /**
-     * @param \Magento\Framework\App\Helper\Context $context
-     * @param \Magento\Framework\App\Cache\Type\Config $configCacheType
-     * @param \Magento\Directory\Model\ResourceModel\Country\Collection $countryCollection
-     * @param \Magento\Directory\Model\ResourceModel\Region\CollectionFactory $regCollectionFactory,
-     * @param \Magento\Framework\Json\Helper\Data $jsonHelper
-     * @param \Magento\Store\Model\StoreManagerInterface $storeManager
-     * @param \Magento\Directory\Model\CurrencyFactory $currencyFactory
+     * Data constructor.
+     *
+     * @param Context $context
+     * @param Config $configCacheType
+     * @param Collection $countryCollection
+     * @param CollectionFactory $regCollectionFactory
+     * @param JsonData $jsonHelper
+     * @param StoreManagerInterface $storeManager
+     * @param CurrencyFactory $currencyFactory
      */
     public function __construct(
-        \Magento\Framework\App\Helper\Context $context,
-        \Magento\Framework\App\Cache\Type\Config $configCacheType,
-        \Magento\Directory\Model\ResourceModel\Country\Collection $countryCollection,
-        \Magento\Directory\Model\ResourceModel\Region\CollectionFactory $regCollectionFactory,
-        \Magento\Framework\Json\Helper\Data $jsonHelper,
-        \Magento\Store\Model\StoreManagerInterface $storeManager,
-        \Magento\Directory\Model\CurrencyFactory $currencyFactory
+        Context $context,
+        Config $configCacheType,
+        Collection $countryCollection,
+        CollectionFactory $regCollectionFactory,
+        JsonData $jsonHelper,
+        StoreManagerInterface $storeManager,
+        CurrencyFactory $currencyFactory
     ) {
         parent::__construct($context);
         $this->_configCacheType = $configCacheType;
@@ -155,7 +165,7 @@ public function getRegionCollection()
      * Retrieve country collection
      *
      * @param null|int|string|\Magento\Store\Model\Store $store
-     * @return \Magento\Directory\Model\ResourceModel\Country\Collection
+     * @return Collection
      */
     public function getCountryCollection($store = null)
     {
@@ -169,6 +179,7 @@ public function getCountryCollection($store = null)
      * Retrieve regions data json
      *
      * @return string
+     * @throws \Magento\Framework\Exception\NoSuchEntityException
      */
     public function getRegionJson()
     {
@@ -197,8 +208,10 @@ public function getRegionJson()
      * @param float $amount
      * @param string $from
      * @param string $to
+     *
      * @return float
      * @SuppressWarnings(PHPMD.ShortVariable)
+     * @throws \Magento\Framework\Exception\NoSuchEntityException
      */
     public function currencyConvert($amount, $from, $to = null)
     {
@@ -251,7 +264,7 @@ public function isZipCodeOptional($countryCode)
      * Returns the list of countries, for which region is required
      *
      * @param boolean $asJson
-     * @return array
+     * @return array|string
      */
     public function getCountriesWithStatesRequired($asJson = false)
     {
@@ -275,7 +288,7 @@ public function getCountriesWithStatesRequired($asJson = false)
      */
     public function isShowNonRequiredState()
     {
-        return (bool)$this->scopeConfig->getValue(
+        return $this->scopeConfig->isSetFlag(
             self::XML_PATH_DISPLAY_ALL_STATES,
             ScopeInterface::SCOPE_STORE
         );
@@ -303,7 +316,10 @@ public function isRegionRequired($countryId)
      */
     public function getBaseCurrencyCode()
     {
-        return $this->scopeConfig->getValue(\Magento\Directory\Model\Currency::XML_PATH_CURRENCY_BASE, 'default');
+        return $this->scopeConfig->getValue(
+            Currency::XML_PATH_CURRENCY_BASE,
+            'default'
+        );
     }
 
     /**
diff --git a/app/code/Magento/Directory/Test/Unit/Helper/DataTest.php b/app/code/Magento/Directory/Test/Unit/Helper/DataTest.php
index 73e9f0f5fa1a5..6ff0f8ea0f30b 100644
--- a/app/code/Magento/Directory/Test/Unit/Helper/DataTest.php
+++ b/app/code/Magento/Directory/Test/Unit/Helper/DataTest.php
@@ -46,6 +46,7 @@ protected function setUp()
     {
         $objectManager = new \Magento\Framework\TestFramework\Unit\Helper\ObjectManager($this);
         $this->scopeConfigMock = $this->createMock(\Magento\Framework\App\Config\ScopeConfigInterface::class);
+        $this->scopeConfigMock->expects($this->any())->method('isSetFlag')->willReturn(false);
         $context = $this->createMock(\Magento\Framework\App\Helper\Context::class);
         $context->expects($this->any())
             ->method('getScopeConfig')
diff --git a/app/code/Magento/Downloadable/Helper/Data.php b/app/code/Magento/Downloadable/Helper/Data.php
index 96aa5bdfeffd7..e9b2a5ce44c01 100644
--- a/app/code/Magento/Downloadable/Helper/Data.php
+++ b/app/code/Magento/Downloadable/Helper/Data.php
@@ -5,7 +5,9 @@
  */
 namespace Magento\Downloadable\Helper;
 
+use Magento\Downloadable\Model\Link;
 use Magento\Downloadable\Model\Link\Purchased\Item;
+use Magento\Store\Model\ScopeInterface;
 
 /**
  * Downloadable helper
@@ -17,7 +19,7 @@ class Data extends \Magento\Framework\App\Helper\AbstractHelper
     /**
      * Check is link shareable or not
      *
-     * @param \Magento\Downloadable\Model\Link|Item $link
+     * @param Link|Item $link
      * @return bool
      * @SuppressWarnings(PHPMD.BooleanGetMethodName)
      */
@@ -25,14 +27,14 @@ public function getIsShareable($link)
     {
         $shareable = false;
         switch ($link->getIsShareable()) {
-            case \Magento\Downloadable\Model\Link::LINK_SHAREABLE_YES:
-            case \Magento\Downloadable\Model\Link::LINK_SHAREABLE_NO:
+            case Link::LINK_SHAREABLE_YES:
+            case Link::LINK_SHAREABLE_NO:
                 $shareable = (bool)$link->getIsShareable();
                 break;
-            case \Magento\Downloadable\Model\Link::LINK_SHAREABLE_CONFIG:
-                $shareable = (bool)$this->scopeConfig->isSetFlag(
-                    \Magento\Downloadable\Model\Link::XML_PATH_CONFIG_IS_SHAREABLE,
-                    \Magento\Store\Model\ScopeInterface::SCOPE_STORE
+            case Link::LINK_SHAREABLE_CONFIG:
+                $shareable = $this->scopeConfig->isSetFlag(
+                    Link::XML_PATH_CONFIG_IS_SHAREABLE,
+                    ScopeInterface::SCOPE_STORE
                 );
         }
         return $shareable;
diff --git a/app/code/Magento/Elasticsearch/Model/DataProvider/Suggestions.php b/app/code/Magento/Elasticsearch/Model/DataProvider/Suggestions.php
index 8ebd45596d399..c4fab39dfde61 100644
--- a/app/code/Magento/Elasticsearch/Model/DataProvider/Suggestions.php
+++ b/app/code/Magento/Elasticsearch/Model/DataProvider/Suggestions.php
@@ -15,6 +15,9 @@
 use Magento\Elasticsearch\SearchAdapter\SearchIndexNameResolver;
 use Magento\Store\Model\StoreManagerInterface as StoreManager;
 
+/**
+ * Class Suggestions
+ */
 class Suggestions implements SuggestedQueriesInterface
 {
     /**
@@ -66,6 +69,8 @@ class Suggestions implements SuggestedQueriesInterface
     private $storeManager;
 
     /**
+     * Suggestions constructor.
+     *
      * @param ScopeConfigInterface $scopeConfig
      * @param Config $config
      * @param QueryResultFactory $queryResultFactory
@@ -90,11 +95,9 @@ public function __construct(
     }
 
     /**
-     * {@inheritdoc}
-     *
-     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
+     * @inheritdoc
      */
-    public function getItems(QueryInterface $query, $limit = null, $additionalFilters = null)
+    public function getItems(QueryInterface $query)
     {
         $result = [];
         if ($this->isSuggestionsAllowed()) {
@@ -118,19 +121,23 @@ public function getItems(QueryInterface $query, $limit = null, $additionalFilter
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function isResultsCountEnabled()
     {
-        return (bool)$this->scopeConfig->getValue(
+        return $this->scopeConfig->isSetFlag(
             self::CONFIG_SUGGESTION_COUNT_RESULTS_ENABLED,
             ScopeInterface::SCOPE_STORE
         );
     }
 
     /**
+     * Get Suggestions
+     *
      * @param QueryInterface $query
+     *
      * @return array
+     * @throws \Magento\Framework\Exception\NoSuchEntityException
      */
     private function getSuggestions(QueryInterface $query)
     {
@@ -178,6 +185,8 @@ private function getSuggestions(QueryInterface $query)
     }
 
     /**
+     * Fetch Query
+     *
      * @param array $query
      * @return array
      */
@@ -200,16 +209,18 @@ private function getSearchSuggestionsCount()
     }
 
     /**
+     * Is Search Suggestions Allowed
+     *
      * @return bool
      */
     private function isSuggestionsAllowed()
     {
-        $isSearchSuggestionsEnabled = (bool)$this->scopeConfig->getValue(
+        $isSuggestionsEnabled = $this->scopeConfig->isSetFlag(
             self::CONFIG_SUGGESTION_ENABLED,
             ScopeInterface::SCOPE_STORE
         );
         $isEnabled = $this->config->isElasticsearchEnabled();
-        $isSuggestionsAllowed = ($isEnabled && $isSearchSuggestionsEnabled);
+        $isSuggestionsAllowed = ($isEnabled && $isSuggestionsEnabled);
         return $isSuggestionsAllowed;
     }
 }
diff --git a/app/code/Magento/GiftMessage/Model/GiftMessageConfigProvider.php b/app/code/Magento/GiftMessage/Model/GiftMessageConfigProvider.php
index c7f145eaddbb4..b124897770b6f 100644
--- a/app/code/Magento/GiftMessage/Model/GiftMessageConfigProvider.php
+++ b/app/code/Magento/GiftMessage/Model/GiftMessageConfigProvider.php
@@ -13,6 +13,7 @@
 use Magento\Framework\Locale\FormatInterface as LocaleFormat;
 use Magento\Framework\Data\Form\FormKey;
 use Magento\Catalog\Model\Product\Attribute\Source\Boolean;
+use Magento\Store\Model\ScopeInterface;
 
 /**
  * Configuration provider for GiftMessage rendering on "Checkout cart" page.
@@ -41,6 +42,11 @@ class GiftMessageConfigProvider implements ConfigProviderInterface
      */
     protected $checkoutSession;
 
+    /**
+     * @var HttpContext
+     */
+    protected $httpContext;
+
     /**
      * @var \Magento\Store\Model\StoreManagerInterface
      */
@@ -57,6 +63,8 @@ class GiftMessageConfigProvider implements ConfigProviderInterface
     protected $formKey;
 
     /**
+     * GiftMessageConfigProvider constructor.
+     *
      * @param \Magento\Framework\App\Helper\Context $context
      * @param \Magento\GiftMessage\Api\CartRepositoryInterface $cartRepository
      * @param \Magento\GiftMessage\Api\ItemRepositoryInterface $itemRepository
@@ -87,28 +95,28 @@ public function __construct(
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function getConfig()
     {
         $configuration = [];
         $configuration['giftMessage'] = [];
-        $orderLevelGiftMessageConfiguration = (bool)$this->scopeConfiguration->getValue(
+        $orderLevelGiftMsg = $this->scopeConfiguration->isSetFlag(
             GiftMessageHelper::XPATH_CONFIG_GIFT_MESSAGE_ALLOW_ORDER,
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE
+            ScopeInterface::SCOPE_STORE
         );
-        $itemLevelGiftMessageConfiguration = (bool)$this->scopeConfiguration->getValue(
+        $itemLevelGiftMessage = $this->scopeConfiguration->isSetFlag(
             GiftMessageHelper::XPATH_CONFIG_GIFT_MESSAGE_ALLOW_ITEMS,
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE
+            ScopeInterface::SCOPE_STORE
         );
-        if ($orderLevelGiftMessageConfiguration) {
+        if ($orderLevelGiftMsg) {
             $orderMessages = $this->getOrderLevelGiftMessages();
             $configuration['isOrderLevelGiftOptionsEnabled'] = (bool)$this->isQuoteVirtual() ? false : true;
             $configuration['giftMessage']['orderLevel'] = $orderMessages === null ? true : $orderMessages->getData();
         }
 
         $itemMessages = $this->getItemLevelGiftMessages();
-        $configuration['isItemLevelGiftOptionsEnabled'] = $itemLevelGiftMessageConfiguration;
+        $configuration['isItemLevelGiftOptionsEnabled'] = $itemLevelGiftMessage;
         $configuration['giftMessage']['itemLevel'] = $itemMessages === null ? true : $itemMessages;
 
         $configuration['priceFormat'] = $this->localeFormat->getPriceFormat(
@@ -168,6 +176,7 @@ protected function getOrderLevelGiftMessages()
      * Load already specified item level gift messages and related configuration.
      *
      * @return \Magento\GiftMessage\Api\Data\MessageInterface[]|null
+     * @throws \Magento\Framework\Exception\NoSuchEntityException
      */
     protected function getItemLevelGiftMessages()
     {
diff --git a/app/code/Magento/GiftMessage/Test/Unit/Model/GiftMessageConfigProviderTest.php b/app/code/Magento/GiftMessage/Test/Unit/Model/GiftMessageConfigProviderTest.php
index a5580606134b4..08ebefb68d724 100644
--- a/app/code/Magento/GiftMessage/Test/Unit/Model/GiftMessageConfigProviderTest.php
+++ b/app/code/Magento/GiftMessage/Test/Unit/Model/GiftMessageConfigProviderTest.php
@@ -111,7 +111,7 @@ public function testGetConfig()
         );
         $messageMock = $this->createMock(\Magento\GiftMessage\Model\Message::class);
 
-        $this->scopeConfigMock->expects($this->atLeastOnce())->method('getValue')->willReturnMap(
+        $this->scopeConfigMock->expects($this->atLeastOnce())->method('isSetFlag')->willReturnMap(
             [
                 [GiftMessageHelper::XPATH_CONFIG_GIFT_MESSAGE_ALLOW_ORDER, Scope::SCOPE_STORE, null, $orderLevel],
                 [GiftMessageHelper::XPATH_CONFIG_GIFT_MESSAGE_ALLOW_ITEMS, Scope::SCOPE_STORE, null, $itemLevel]
diff --git a/app/code/Magento/GoogleOptimizer/Helper/Data.php b/app/code/Magento/GoogleOptimizer/Helper/Data.php
index 5b0291eb1435d..7138a7729fe0e 100644
--- a/app/code/Magento/GoogleOptimizer/Helper/Data.php
+++ b/app/code/Magento/GoogleOptimizer/Helper/Data.php
@@ -11,6 +11,8 @@
 use \Magento\Store\Model\ScopeInterface;
 
 /**
+ * Class Data
+ *
  * @api
  * @since 100.0.2
  */
@@ -32,6 +34,8 @@ class Data extends \Magento\Framework\App\Helper\AbstractHelper
     protected $_analyticsHelper;
 
     /**
+     * Data constructor.
+     *
      * @param \Magento\Framework\App\Helper\Context $context
      * @param \Magento\GoogleAnalytics\Helper\Data $analyticsHelper
      */
@@ -51,7 +55,7 @@ public function __construct(
      */
     public function isGoogleExperimentEnabled($store = null)
     {
-        return (bool)$this->scopeConfig->isSetFlag(self::XML_PATH_ENABLED, ScopeInterface::SCOPE_STORE, $store);
+        return $this->scopeConfig->isSetFlag(self::XML_PATH_ENABLED, ScopeInterface::SCOPE_STORE, $store);
     }
 
     /**
diff --git a/app/code/Magento/Msrp/Model/Config.php b/app/code/Magento/Msrp/Model/Config.php
index 2ee9f41870a5a..3662a2cef8d20 100644
--- a/app/code/Magento/Msrp/Model/Config.php
+++ b/app/code/Magento/Msrp/Model/Config.php
@@ -10,6 +10,9 @@
 use Magento\Store\Model\StoreManagerInterface;
 use Magento\Framework\Escaper;
 
+/**
+ * Class Config
+ */
 class Config
 {
     /**#@+
@@ -40,6 +43,8 @@ class Config
     protected $storeId;
 
     /**
+     * Config constructor.
+     *
      * @param ScopeConfigInterface $scopeConfig
      * @param StoreManagerInterface $storeManager
      * @param Escaper $escaper
@@ -74,7 +79,7 @@ public function setStoreId($store)
      */
     public function isEnabled()
     {
-        return (bool)$this->scopeConfig->getValue(
+        return $this->scopeConfig->isSetFlag(
             self::XML_PATH_MSRP_ENABLED,
             ScopeInterface::SCOPE_STORE,
             $this->storeId
diff --git a/app/code/Magento/NewRelicReporting/Model/Config.php b/app/code/Magento/NewRelicReporting/Model/Config.php
index 4bb381eb2f12d..6f3ff1df57448 100644
--- a/app/code/Magento/NewRelicReporting/Model/Config.php
+++ b/app/code/Magento/NewRelicReporting/Model/Config.php
@@ -91,7 +91,7 @@ public function __construct(
      */
     public function isNewRelicEnabled()
     {
-        return (bool)$this->scopeConfig->getValue('newrelicreporting/general/enable');
+        return $this->scopeConfig->isSetFlag('newrelicreporting/general/enable');
     }
 
     /**
@@ -181,7 +181,7 @@ public function isSeparateApps()
      */
     public function isCronEnabled()
     {
-        return (bool)$this->scopeConfig->getValue('newrelicreporting/cron/enable_cron');
+        return $this->scopeConfig->isSetFlag('newrelicreporting/cron/enable_cron');
     }
 
     /**
diff --git a/app/code/Magento/Reports/Model/ReportStatus.php b/app/code/Magento/Reports/Model/ReportStatus.php
index ec0c32d9af1ec..d5d4611682090 100644
--- a/app/code/Magento/Reports/Model/ReportStatus.php
+++ b/app/code/Magento/Reports/Model/ReportStatus.php
@@ -21,6 +21,8 @@ class ReportStatus
     private $scopeConfig;
 
     /**
+     * ReportStatus constructor.
+     *
      * @param ScopeConfigInterface $scopeConfig
      */
     public function __construct(ScopeConfigInterface $scopeConfig)
@@ -37,11 +39,13 @@ public function __construct(ScopeConfigInterface $scopeConfig)
      */
     public function isReportEnabled(string $reportEventType): bool
     {
-        return (bool)$this->scopeConfig->getValue('reports/options/enabled')
-            && (bool)$this->scopeConfig->getValue($this->getConfigPathByEventType($reportEventType));
+        return $this->scopeConfig->isSetFlag('reports/options/enabled')
+            && $this->scopeConfig->isSetFlag($this->getConfigPathByEventType($reportEventType));
     }
 
     /**
+     * Get Config Path By Event Type
+     *
      * @param string $reportEventType
      * @return string
      * @throws InputException
diff --git a/app/code/Magento/Sitemap/Model/ResourceModel/Catalog/Product.php b/app/code/Magento/Sitemap/Model/ResourceModel/Catalog/Product.php
index 11a59cfa59f17..82024b3b015e5 100644
--- a/app/code/Magento/Sitemap/Model/ResourceModel/Catalog/Product.php
+++ b/app/code/Magento/Sitemap/Model/ResourceModel/Catalog/Product.php
@@ -105,6 +105,8 @@ class Product extends \Magento\Framework\Model\ResourceModel\Db\AbstractDb
     private $scopeConfig;
 
     /**
+     * Product constructor.
+     *
      * @param \Magento\Framework\Model\ResourceModel\Db\Context $context
      * @param \Magento\Sitemap\Helper\Data $sitemapData
      * @param \Magento\Catalog\Model\ResourceModel\Product $productResource
@@ -157,6 +159,8 @@ public function __construct(
     }
 
     /**
+     * Construct
+     *
      * @return void
      */
     protected function _construct()
@@ -171,7 +175,9 @@ protected function _construct()
      * @param string $attributeCode
      * @param mixed $value
      * @param string $type
+     *
      * @return \Magento\Framework\DB\Select|bool
+     * @throws \Magento\Framework\Exception\LocalizedException
      */
     protected function _addFilter($storeId, $attributeCode, $value, $type = '=')
     {
@@ -217,7 +223,9 @@ protected function _addFilter($storeId, $attributeCode, $value, $type = '=')
      * @param int $storeId
      * @param string $attributeCode
      * @param string $column Add attribute value to given column
+     *
      * @return void
+     * @throws \Magento\Framework\Exception\LocalizedException
      */
     protected function _joinAttribute($storeId, $attributeCode, $column = null)
     {
@@ -260,7 +268,9 @@ protected function _joinAttribute($storeId, $attributeCode, $column = null)
      * Get attribute data by attribute code
      *
      * @param string $attributeCode
+     *
      * @return array
+     * @throws \Magento\Framework\Exception\LocalizedException
      */
     protected function _getAttribute($attributeCode)
     {
@@ -283,7 +293,11 @@ protected function _getAttribute($attributeCode)
      * Get category collection array
      *
      * @param null|string|bool|int|Store $storeId
+     *
      * @return array|bool
+     * @throws \Magento\Framework\Exception\LocalizedException
+     * @throws \Magento\Framework\Exception\NoSuchEntityException
+     * @throws \Zend_Db_Statement_Exception
      */
     public function getCollection($storeId)
     {
@@ -348,7 +362,9 @@ public function getCollection($storeId)
      *
      * @param array $productRow
      * @param int $storeId
+     *
      * @return \Magento\Framework\DataObject
+     * @throws \Magento\Framework\Exception\LocalizedException
      */
     protected function _prepareProduct(array $productRow, $storeId)
     {
@@ -476,13 +492,13 @@ private function getProductImageUrl($image)
     /**
      * Return Use Categories Path for Product URLs config value
      *
-     * @param $storeId
+     * @param null|string $storeId
      *
      * @return bool
      */
     private function isCategoryProductURLsConfig($storeId)
     {
-        return (bool)$this->scopeConfig->getValue(
+        return $this->scopeConfig->isSetFlag(
             HelperProduct::XML_PATH_PRODUCT_URL_USE_CATEGORY,
             ScopeInterface::SCOPE_STORE,
             $storeId
diff --git a/app/code/Magento/Store/Model/BaseUrlChecker.php b/app/code/Magento/Store/Model/BaseUrlChecker.php
index b65a76e8806f1..dbdcd9ff17bf9 100644
--- a/app/code/Magento/Store/Model/BaseUrlChecker.php
+++ b/app/code/Magento/Store/Model/BaseUrlChecker.php
@@ -5,6 +5,8 @@
  */
 namespace Magento\Store\Model;
 
+use Magento\Store\Model\ScopeInterface;
+
 /**
  * Verifies that the requested URL matches to base URL of store.
  */
@@ -16,6 +18,8 @@ class BaseUrlChecker
     private $scopeConfig;
 
     /**
+     * BaseUrlChecker constructor.
+     *
      * @param \Magento\Framework\App\Config\ScopeConfigInterface $scopeConfig
      */
     public function __construct(
@@ -47,9 +51,9 @@ public function execute($uri, $request)
      */
     public function isEnabled()
     {
-        return (bool) $this->scopeConfig->getValue(
+        return $this->scopeConfig->isSetFlag(
             'web/url/redirect_to_base',
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE
+            ScopeInterface::SCOPE_STORE
         );
     }
 
@@ -62,13 +66,13 @@ public function isFrontendSecure()
     {
         $baseUrl = $this->scopeConfig->getValue(
             'web/unsecure/base_url',
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE
+            ScopeInterface::SCOPE_STORE
         );
         $baseUrlParts = explode('://', $baseUrl);
         $baseUrlProtocol = array_shift($baseUrlParts);
-        $isSecure = (bool) $this->scopeConfig->getValue(
+        $isSecure = $this->scopeConfig->isSetFlag(
             'web/secure/use_in_frontend',
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE
+            ScopeInterface::SCOPE_STORE
         );
 
         return $isSecure && $baseUrlProtocol == 'https';
diff --git a/app/code/Magento/Store/Model/HeaderProvider/Hsts.php b/app/code/Magento/Store/Model/HeaderProvider/Hsts.php
index 623fbed57e6c6..b22775e0987cb 100644
--- a/app/code/Magento/Store/Model/HeaderProvider/Hsts.php
+++ b/app/code/Magento/Store/Model/HeaderProvider/Hsts.php
@@ -33,6 +33,8 @@ class Hsts extends \Magento\Framework\App\Response\HeaderProvider\AbstractHeader
     protected $scopeConfig;
 
     /**
+     * Hsts constructor.
+     *
      * @param \Magento\Framework\App\Config\ScopeConfigInterface $scopeConfig
      */
     public function __construct(\Magento\Framework\App\Config\ScopeConfigInterface $scopeConfig)
@@ -41,11 +43,11 @@ public function __construct(\Magento\Framework\App\Config\ScopeConfigInterface $
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function canApply()
     {
-        return (bool)$this->scopeConfig->isSetFlag(Store::XML_PATH_SECURE_IN_FRONTEND)
+        return $this->scopeConfig->isSetFlag(Store::XML_PATH_SECURE_IN_FRONTEND)
             && $this->scopeConfig->isSetFlag(Store::XML_PATH_SECURE_IN_ADMINHTML)
             && $this->scopeConfig->isSetFlag(Store::XML_PATH_ENABLE_HSTS);
     }
diff --git a/app/code/Magento/Store/Model/HeaderProvider/UpgradeInsecure.php b/app/code/Magento/Store/Model/HeaderProvider/UpgradeInsecure.php
index a0bd015c15061..0ef8726e07f1b 100644
--- a/app/code/Magento/Store/Model/HeaderProvider/UpgradeInsecure.php
+++ b/app/code/Magento/Store/Model/HeaderProvider/UpgradeInsecure.php
@@ -33,6 +33,8 @@ class UpgradeInsecure extends \Magento\Framework\App\Response\HeaderProvider\Abs
     protected $scopeConfig;
 
     /**
+     * UpgradeInsecure constructor.
+     *
      * @param \Magento\Framework\App\Config\ScopeConfigInterface $scopeConfig
      */
     public function __construct(\Magento\Framework\App\Config\ScopeConfigInterface $scopeConfig)
@@ -41,11 +43,11 @@ public function __construct(\Magento\Framework\App\Config\ScopeConfigInterface $
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function canApply()
     {
-        return (bool)$this->scopeConfig->isSetFlag(Store::XML_PATH_SECURE_IN_FRONTEND)
+        return $this->scopeConfig->isSetFlag(Store::XML_PATH_SECURE_IN_FRONTEND)
             && $this->scopeConfig->isSetFlag(Store::XML_PATH_SECURE_IN_ADMINHTML)
             && $this->scopeConfig->isSetFlag(Store::XML_PATH_ENABLE_UPGRADE_INSECURE);
     }
diff --git a/app/code/Magento/Store/Model/StoreManager.php b/app/code/Magento/Store/Model/StoreManager.php
index 445824baadfe0..0fce3a5217058 100644
--- a/app/code/Magento/Store/Model/StoreManager.php
+++ b/app/code/Magento/Store/Model/StoreManager.php
@@ -6,6 +6,7 @@
 namespace Magento\Store\Model;
 
 use Magento\Framework\App\ObjectManager;
+use Magento\Framework\Exception\NoSuchEntityException;
 use Magento\Store\Api\StoreResolverInterface;
 use Magento\Store\Model\ResourceModel\StoreWebsiteRelation;
 
@@ -87,6 +88,8 @@ class StoreManager implements
     protected $isSingleStoreAllowed;
 
     /**
+     * StoreManager constructor.
+     *
      * @param \Magento\Store\Api\StoreRepositoryInterface $storeRepository
      * @param \Magento\Store\Api\GroupRepositoryInterface $groupRepository
      * @param \Magento\Store\Api\WebsiteRepositoryInterface $websiteRepository
@@ -114,7 +117,7 @@ public function __construct(
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function setCurrentStore($store)
     {
@@ -122,7 +125,7 @@ public function setCurrentStore($store)
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function setIsSingleStoreModeAllowed($value)
     {
@@ -130,7 +133,7 @@ public function setIsSingleStoreModeAllowed($value)
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function hasSingleStore()
     {
@@ -139,7 +142,7 @@ public function hasSingleStore()
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function isSingleStoreMode()
     {
@@ -147,7 +150,7 @@ public function isSingleStoreMode()
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function getStore($storeId = null)
     {
@@ -171,7 +174,7 @@ public function getStore($storeId = null)
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function getStores($withDefault = false, $codeKey = false)
     {
@@ -190,7 +193,7 @@ public function getStores($withDefault = false, $codeKey = false)
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function getWebsite($websiteId = null)
     {
@@ -210,7 +213,7 @@ public function getWebsite($websiteId = null)
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function getWebsites($withDefault = false, $codeKey = false)
     {
@@ -229,7 +232,7 @@ public function getWebsites($withDefault = false, $codeKey = false)
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function reinitStores()
     {
@@ -242,7 +245,7 @@ public function reinitStores()
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function getDefaultStoreView()
     {
@@ -252,7 +255,7 @@ public function getDefaultStoreView()
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function getGroup($groupId = null)
     {
@@ -267,7 +270,7 @@ public function getGroup($groupId = null)
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function getGroups($withDefault = false)
     {
@@ -291,13 +294,15 @@ function ($item) {
      */
     protected function isSingleStoreModeEnabled()
     {
-        return (bool)$this->scopeConfig->getValue(
+        return $this->scopeConfig->isSetFlag(
             self::XML_PATH_SINGLE_STORE_MODE_ENABLED,
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE
+            ScopeInterface::SCOPE_STORE
         );
     }
 
     /**
+     * Get Store Website Relation
+     *
      * @deprecated 100.2.0
      * @return StoreWebsiteRelation
      */
diff --git a/app/code/Magento/Store/Test/Unit/Model/BaseUrlCheckerTest.php b/app/code/Magento/Store/Test/Unit/Model/BaseUrlCheckerTest.php
index 0eea86da61b3b..78a627c195f81 100644
--- a/app/code/Magento/Store/Test/Unit/Model/BaseUrlCheckerTest.php
+++ b/app/code/Magento/Store/Test/Unit/Model/BaseUrlCheckerTest.php
@@ -78,9 +78,9 @@ public function testExecute()
     public function testIsEnabled()
     {
         $this->scopeConfig->expects($this->once())
-            ->method('getValue')
+            ->method('isSetFlag')
             ->with('web/url/redirect_to_base', \Magento\Store\Model\ScopeInterface::SCOPE_STORE)
-            ->willReturn(1);
+            ->willReturn(!!1);
         $this->assertTrue($this->baseUrlChecker->isEnabled());
     }
 
@@ -89,15 +89,16 @@ public function testIsEnabled()
      */
     public function testIsFrontendSecure()
     {
-        $this->scopeConfig->expects($this->exactly(2))
+        $this->scopeConfig->expects($this->once())
             ->method('getValue')
-            ->withConsecutive(
-                ['web/unsecure/base_url', \Magento\Store\Model\ScopeInterface::SCOPE_STORE],
-                ['web/secure/use_in_frontend', \Magento\Store\Model\ScopeInterface::SCOPE_STORE]
-            )->will($this->onConsecutiveCalls(
-                $this->returnValue('https://localhost'),
-                1
-            ));
+            ->with('web/unsecure/base_url', \Magento\Store\Model\ScopeInterface::SCOPE_STORE)
+            ->willReturn('https://localhost');
+
+        $this->scopeConfig->expects($this->once())
+            ->method('isSetFlag')
+            ->with('web/secure/use_in_frontend', \Magento\Store\Model\ScopeInterface::SCOPE_STORE)
+            ->willReturn(!!1);
+
         $this->assertTrue($this->baseUrlChecker->isFrontendSecure());
     }
 }
diff --git a/app/code/Magento/Wishlist/Model/Rss/Wishlist.php b/app/code/Magento/Wishlist/Model/Rss/Wishlist.php
index 75df3027ad9a9..9ccbf80f99a0c 100644
--- a/app/code/Magento/Wishlist/Model/Rss/Wishlist.php
+++ b/app/code/Magento/Wishlist/Model/Rss/Wishlist.php
@@ -7,9 +7,11 @@
 namespace Magento\Wishlist\Model\Rss;
 
 use Magento\Framework\App\Rss\DataProviderInterface;
+use Magento\Store\Model\ScopeInterface;
 
 /**
  * Wishlist RSS model
+ *
  * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
  */
 class Wishlist implements DataProviderInterface
@@ -70,6 +72,8 @@ class Wishlist implements DataProviderInterface
     protected $customerFactory;
 
     /**
+     * Wishlist constructor.
+     *
      * @param \Magento\Wishlist\Helper\Rss $wishlistHelper
      * @param \Magento\Wishlist\Block\Customer\Wishlist $wishlistBlock
      * @param \Magento\Catalog\Helper\Output $outputHelper
@@ -114,9 +118,9 @@ public function __construct(
      */
     public function isAllowed()
     {
-        return (bool)$this->scopeConfig->getValue(
+        return $this->scopeConfig->isSetFlag(
             'rss/wishlist/active',
-            \Magento\Store\Model\ScopeInterface::SCOPE_STORE
+            ScopeInterface::SCOPE_STORE
         );
     }
 
@@ -124,6 +128,7 @@ public function isAllowed()
      * Get RSS feed items
      *
      * @return array
+     * @throws \Magento\Framework\Exception\LocalizedException
      */
     public function getRssData()
     {
@@ -191,6 +196,8 @@ public function getRssData()
     }
 
     /**
+     * GetCacheKey
+     *
      * @return string
      */
     public function getCacheKey()
@@ -199,6 +206,8 @@ public function getCacheKey()
     }
 
     /**
+     * Get Cache Lifetime
+     *
      * @return int
      */
     public function getCacheLifetime()
@@ -264,7 +273,7 @@ public function getProductPriceHtml(\Magento\Catalog\Model\Product $product)
     }
 
     /**
-     * @return array
+     * @inheritdoc
      */
     public function getFeeds()
     {
@@ -272,7 +281,7 @@ public function getFeeds()
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function isAuthRequired()
     {
diff --git a/app/code/Magento/Wishlist/Test/Unit/Model/Rss/WishlistTest.php b/app/code/Magento/Wishlist/Test/Unit/Model/Rss/WishlistTest.php
index 98d36dea28a2a..85f6c504457d3 100644
--- a/app/code/Magento/Wishlist/Test/Unit/Model/Rss/WishlistTest.php
+++ b/app/code/Magento/Wishlist/Test/Unit/Model/Rss/WishlistTest.php
@@ -278,7 +278,7 @@ protected function processWishlistItemDescription($wishlistModelMock, $staticArg
 
     public function testIsAllowed()
     {
-        $this->scopeConfig->expects($this->once())->method('getValue')
+        $this->scopeConfig->expects($this->once())->method('isSetFlag')
             ->with('rss/wishlist/active', \Magento\Store\Model\ScopeInterface::SCOPE_STORE)
             ->will($this->returnValue(true));
         $this->assertTrue($this->model->isAllowed());
diff --git a/dev/tests/integration/testsuite/Magento/Framework/Session/SidResolverTest.php b/dev/tests/integration/testsuite/Magento/Framework/Session/SidResolverTest.php
index e928422528409..5e70eb491b50c 100644
--- a/dev/tests/integration/testsuite/Magento/Framework/Session/SidResolverTest.php
+++ b/dev/tests/integration/testsuite/Magento/Framework/Session/SidResolverTest.php
@@ -114,7 +114,7 @@ public function testGetSid($sid, $useFrontedSid, $isOwnOriginUrl, $testSid)
         $this->scopeConfig->expects(
             $this->any()
         )->method(
-            'getValue'
+            'isSetFlag'
         )->with(
             \Magento\Framework\Session\SidResolver::XML_PATH_USE_FRONTEND_SID,
             \Magento\Store\Model\ScopeInterface::SCOPE_STORE
@@ -195,7 +195,7 @@ public function testSetGetUseSessionInUrl($configValue)
         $this->scopeConfig->expects(
             $this->any()
         )->method(
-            'getValue'
+            'isSetFlag'
         )->with(
             \Magento\Framework\Session\SidResolver::XML_PATH_USE_FRONTEND_SID,
             \Magento\Store\Model\ScopeInterface::SCOPE_STORE
diff --git a/lib/internal/Magento/Framework/Session/SidResolver.php b/lib/internal/Magento/Framework/Session/SidResolver.php
index feb4877028dae..1208aeb31eaee 100644
--- a/lib/internal/Magento/Framework/Session/SidResolver.php
+++ b/lib/internal/Magento/Framework/Session/SidResolver.php
@@ -9,6 +9,9 @@
 
 use Magento\Framework\App\State;
 
+/**
+ * Class SidResolver
+ */
 class SidResolver implements SidResolverInterface
 {
     /**
@@ -86,8 +89,12 @@ public function __construct(
     }
 
     /**
+     * Get Sid
+     *
      * @param SessionManagerInterface $session
+     *
      * @return string|null
+     * @throws \Magento\Framework\Exception\LocalizedException
      */
     public function getSid(SessionManagerInterface $session)
     {
@@ -169,7 +176,7 @@ public function getUseSessionInUrl()
         if ($this->_useSessionInUrl === null) {
             //Using config value by default, can be overridden by using the
             //setter.
-            $this->_useSessionInUrl = (bool)$this->scopeConfig->getValue(
+            $this->_useSessionInUrl = $this->scopeConfig->isSetFlag(
                 self::XML_PATH_USE_FRONTEND_SID,
                 $this->_scopeType
             );
diff --git a/lib/internal/Magento/Framework/View/Asset/Config.php b/lib/internal/Magento/Framework/View/Asset/Config.php
index 2a3d0d3dad467..6a0548b3395a0 100644
--- a/lib/internal/Magento/Framework/View/Asset/Config.php
+++ b/lib/internal/Magento/Framework/View/Asset/Config.php
@@ -8,7 +8,6 @@
 
 use Magento\Store\Model\ScopeInterface;
 use Magento\Framework\App\Config\ScopeConfigInterface;
-use Magento\Framework\App\State;
 
 /**
  * View asset configuration interface
@@ -55,7 +54,7 @@ public function __construct(ScopeConfigInterface $scopeConfig)
      */
     public function isMergeCssFiles()
     {
-        return (bool)$this->scopeConfig->isSetFlag(
+        return $this->scopeConfig->isSetFlag(
             self::XML_PATH_MERGE_CSS_FILES,
             ScopeInterface::SCOPE_STORE
         );
@@ -68,7 +67,7 @@ public function isMergeCssFiles()
      */
     public function isBundlingJsFiles()
     {
-        return (bool)$this->scopeConfig->isSetFlag(
+        return $this->scopeConfig->isSetFlag(
             self::XML_PATH_JS_BUNDLING,
             ScopeInterface::SCOPE_STORE
         );
@@ -81,7 +80,7 @@ public function isBundlingJsFiles()
      */
     public function isMergeJsFiles()
     {
-        return (bool)$this->scopeConfig->isSetFlag(
+        return $this->scopeConfig->isSetFlag(
             self::XML_PATH_MERGE_JS_FILES,
             ScopeInterface::SCOPE_STORE
         );
@@ -94,7 +93,7 @@ public function isMergeJsFiles()
      */
     public function isMinifyHtml()
     {
-        return (bool)$this->scopeConfig->isSetFlag(
+        return $this->scopeConfig->isSetFlag(
             self::XML_PATH_MINIFICATION_HTML,
             ScopeInterface::SCOPE_STORE
         );
diff --git a/lib/internal/Magento/Framework/View/Asset/Minification.php b/lib/internal/Magento/Framework/View/Asset/Minification.php
index 596add349dbfa..087d57ffa4162 100644
--- a/lib/internal/Magento/Framework/View/Asset/Minification.php
+++ b/lib/internal/Magento/Framework/View/Asset/Minification.php
@@ -64,7 +64,7 @@ public function isEnabled($contentType)
         if (!isset($this->configCache[self::XML_PATH_MINIFICATION_ENABLED][$contentType])) {
             $this->configCache[self::XML_PATH_MINIFICATION_ENABLED][$contentType] =
                 $this->appState->getMode() != State::MODE_DEVELOPER &&
-                (bool)$this->scopeConfig->isSetFlag(
+                $this->scopeConfig->isSetFlag(
                     sprintf(self::XML_PATH_MINIFICATION_ENABLED, $contentType),
                     $this->scope
                 );
@@ -112,6 +112,8 @@ public function removeMinifiedSign($filename)
     }
 
     /**
+     * Is Minified Filename
+     *
      * @param string $filename
      * @return bool
      */
@@ -121,6 +123,8 @@ public function isMinifiedFilename($filename)
     }
 
     /**
+     * Is Excluded
+     *
      * @param string $filename
      * @return boolean
      */
@@ -135,6 +139,8 @@ public function isExcluded($filename)
     }
 
     /**
+     * Get Excludes
+     *
      * @param string $contentType
      * @return string[]
      */