diff --git a/app/code/Magento/CatalogImportExport/Model/Import/Product.php b/app/code/Magento/CatalogImportExport/Model/Import/Product.php
index 5f4a512ec34de..d383c84876421 100644
--- a/app/code/Magento/CatalogImportExport/Model/Import/Product.php
+++ b/app/code/Magento/CatalogImportExport/Model/Import/Product.php
@@ -9,6 +9,7 @@
 use Magento\Catalog\Model\Product\Visibility;
 use Magento\CatalogImportExport\Model\Import\Product\RowValidatorInterface as ValidatorInterface;
 use Magento\Framework\App\Filesystem\DirectoryList;
+use Magento\Framework\Exception\LocalizedException;
 use Magento\Framework\Filesystem;
 use Magento\Framework\Model\ResourceModel\Db\ObjectRelationProcessor;
 use Magento\Framework\Model\ResourceModel\Db\TransactionManagerInterface;
@@ -712,7 +713,7 @@ class Product extends \Magento\ImportExport\Model\Import\Entity\AbstractEntity
      * @param \Magento\CatalogInventory\Model\Spi\StockStateProviderInterface $stockStateProvider
      * @param \Magento\Catalog\Helper\Data $catalogData
      * @param \Magento\ImportExport\Model\Import\Config $importConfig
-     * @param Proxy\Product\ResourceFactory $resourceFactory
+     * @param Proxy\Product\ResourceModelFactory $resourceFactory
      * @param Product\OptionFactory $optionFactory
      * @param \Magento\Eav\Model\ResourceModel\Entity\Attribute\Set\CollectionFactory $setColFactory
      * @param Product\Type\Factory $productTypeFactory
@@ -1084,12 +1085,12 @@ protected function _initTypeModels()
             $params = [$this, $productTypeName];
             if (!($model = $this->_productTypeFactory->create($productTypeConfig['model'], ['params' => $params]))
             ) {
-                throw new \Magento\Framework\Exception\LocalizedException(
+                throw new LocalizedException(
                     __('Entity type model \'%1\' is not found', $productTypeConfig['model'])
                 );
             }
             if (!$model instanceof \Magento\CatalogImportExport\Model\Import\Product\Type\AbstractType) {
-                throw new \Magento\Framework\Exception\LocalizedException(
+                throw new LocalizedException(
                     __(
                         'Entity type model must be an instance of '
                         . \Magento\CatalogImportExport\Model\Import\Product\Type\AbstractType::class
@@ -1551,6 +1552,7 @@ public function getImagesFromRow(array $rowData)
      * @SuppressWarnings(PHPMD.NPathComplexity)
      * @SuppressWarnings(PHPMD.ExcessiveMethodLength)
      * @SuppressWarnings(PHPMD.UnusedLocalVariable)
+     * @throws LocalizedException
      */
     protected function _saveProducts()
     {
@@ -1611,7 +1613,7 @@ protected function _saveProducts()
 
                         // wrong attribute_set_code was received
                         if (!$attributeSetId) {
-                            throw new \Magento\Framework\Exception\LocalizedException(
+                            throw new LocalizedException(
                                 __(
                                     'Wrong attribute set code "%1", please correct it and try again.',
                                     $rowData['attribute_set_code']
@@ -1998,7 +2000,7 @@ protected function _getUploader()
             }
 
             if (!$this->_fileUploader->setTmpDir($tmpPath)) {
-                throw new \Magento\Framework\Exception\LocalizedException(
+                throw new LocalizedException(
                     __('File directory \'%1\' is not readable.', $tmpPath)
                 );
             }
@@ -2007,7 +2009,7 @@ protected function _getUploader()
 
             $this->_mediaDirectory->create($destinationPath);
             if (!$this->_fileUploader->setDestDir($destinationPath)) {
-                throw new \Magento\Framework\Exception\LocalizedException(
+                throw new LocalizedException(
                     __('File directory \'%1\' is not writable.', $destinationPath)
                 );
             }
@@ -2029,6 +2031,7 @@ public function getUploader()
      * Return a new file name if the same file is already exists.
      *
      * @param string $fileName
+     * @param bool $renameFileOff
      * @return string
      */
     protected function uploadMediaFiles($fileName, $renameFileOff = false)
@@ -2753,9 +2756,7 @@ private function _customFieldsMapping($rowData)
     }
 
     /**
-     * Validate data rows and save bunches to DB
-     *
-     * @return $this
+     * {@inheritdoc}
      */
     protected function _saveValidatedBunches()
     {
diff --git a/app/code/Magento/ImportExport/Model/Import/Entity/AbstractEntity.php b/app/code/Magento/ImportExport/Model/Import/Entity/AbstractEntity.php
index c61292f7c34f7..e7883693fbe74 100644
--- a/app/code/Magento/ImportExport/Model/Import/Entity/AbstractEntity.php
+++ b/app/code/Magento/ImportExport/Model/Import/Entity/AbstractEntity.php
@@ -7,6 +7,7 @@
 
 use Magento\Framework\App\ObjectManager;
 use Magento\Framework\App\ResourceConnection;
+use Magento\Framework\Exception\LocalizedException;
 use Magento\Framework\Serialize\Serializer\Json;
 use Magento\ImportExport\Model\Import\AbstractSource;
 use Magento\ImportExport\Model\Import as ImportExport;
@@ -310,7 +311,7 @@ public function __construct(
     protected function _getSource()
     {
         if (!$this->_source) {
-            throw new \Magento\Framework\Exception\LocalizedException(__('Please specify a source.'));
+            throw new LocalizedException(__('Please specify a source.'));
         }
         return $this->_source;
     }
@@ -378,7 +379,7 @@ protected function addErrors($code, $errors)
     /**
      * Validate data rows and save bunches to DB.
      *
-     * @return $this|void
+     * @return $this
      * @SuppressWarnings(PHPMD.CyclomaticComplexity)
      */
     protected function _saveValidatedBunches()
@@ -548,11 +549,11 @@ public function getBehavior()
         if (!isset(
             $this->_parameters['behavior']
         ) ||
-            $this->_parameters['behavior'] != \Magento\ImportExport\Model\Import::BEHAVIOR_APPEND &&
-            $this->_parameters['behavior'] != \Magento\ImportExport\Model\Import::BEHAVIOR_REPLACE &&
-            $this->_parameters['behavior'] != \Magento\ImportExport\Model\Import::BEHAVIOR_DELETE
+            $this->_parameters['behavior'] != ImportExport::BEHAVIOR_APPEND &&
+            $this->_parameters['behavior'] != ImportExport::BEHAVIOR_REPLACE &&
+            $this->_parameters['behavior'] != ImportExport::BEHAVIOR_DELETE
         ) {
-            return \Magento\ImportExport\Model\Import::getDefaultBehavior();
+            return ImportExport::getDefaultBehavior();
         }
         return $this->_parameters['behavior'];
     }
@@ -604,7 +605,7 @@ public function getProcessedRowsCount()
     public function getSource()
     {
         if (!$this->_source) {
-            throw new \Magento\Framework\Exception\LocalizedException(__('The source is not set.'));
+            throw new LocalizedException(__('The source is not set.'));
         }
         return $this->_source;
     }
@@ -879,7 +880,7 @@ public function getValidColumnNames()
     protected function getMetadataPool()
     {
         if (!$this->metadataPool) {
-            $this->metadataPool = \Magento\Framework\App\ObjectManager::getInstance()
+            $this->metadataPool = ObjectManager::getInstance()
                 ->get(\Magento\Framework\EntityManager\MetadataPool::class);
         }
         return $this->metadataPool;