diff --git a/drush/features.drush.inc b/drush/features.drush.inc
index eb5a64f..f0f8eef 100644
--- a/drush/features.drush.inc
+++ b/drush/features.drush.inc
@@ -588,16 +588,17 @@ function drush_features_import() {
           $dt_args['@component'] = $component;
           $confirmation_message = 'Do you really want to import @module : @component?';
           if ($skip_confirmation || drush_confirm(dt($confirmation_message, $dt_args))) {
+            /** @var \Drupal\features\ConfigurationItem $item */
             if (!isset($config[$component])) {
               // Import missing component.
               $item = $manager->getConfigType($component);
-              $config_revert->import($item['type'], $item['name_short']);
+              $config_revert->import($item->getType(), $item->getShortName());
               drush_log(dt('Import @module : @component.', $dt_args), 'ok');
             }
             else {
               // Revert existing component.
               $item = $config[$component];
-              $config_revert->revert($item['type'], $item['name_short']);
+              $config_revert->revert($item->getType(), $item->getShortName());
               drush_log(dt('Reverted @module : @component.', $dt_args), 'ok');
             }
           }
@@ -668,7 +669,7 @@ function _drush_features_component_list() {
   $manager = \Drupal::service('features.manager');
   $config = $manager->getConfigCollection();
   foreach ($config as $item_name => $item) {
-    $result[$item['type']][$item['name_short']] = $item['label'];
+    $result[$item->getType()][$item->getShortName()] = $item->getLabel();
   }
   return $result;
 }
@@ -834,12 +835,15 @@ function _drush_features_get_component_map() {
   $packages = $manager->getPackages();
 
   foreach ($config as $item_name => $item) {
-    if (!isset($result[$item['type']][$item['name_short']])) {
-      $result[$item['type']][$item['name_short']] = array();
-    }
-    if (!empty($item['package'])) {
-      $package = $packages[$item['package']];
-      $result[$item['type']][$item['name_short']][] = $package['machine_name'];
+    $type = $item->getType();
+    $short_name = $item->getShortName();
+    $name = $item->getName();
+    if (!isset($result[$type][$short_name])) {
+      $result[$type][$short_name] = array();
+    }
+    if (!empty($item->getPackage())) {
+      $package = $packages[$item->getPackage()];
+      $result[$type][$short_name][] = $name;
     }
   }
 
diff --git a/modules/features_ui/src/Controller/FeaturesUIController.php b/modules/features_ui/src/Controller/FeaturesUIController.php
index 3edb00c..4d08d88 100644
--- a/modules/features_ui/src/Controller/FeaturesUIController.php
+++ b/modules/features_ui/src/Controller/FeaturesUIController.php
@@ -88,7 +88,7 @@ class FeaturesUIController implements ContainerInjectionInterface {
     $result = [];
     foreach ($detected as $name) {
       $item = $config_collection[$name];
-      $result[$item['type']][$item['name_short']] = $item['name'];
+      $result[$item->getType()][$item->getShortName()] = $item->getName();
     }
     return new JsonResponse($result);
   }
@@ -114,14 +114,14 @@ class FeaturesUIController implements ContainerInjectionInterface {
     }
 
     foreach ($item_names as $item_name) {
-      if (!empty($config_collection[$item_name]['package'])) {
-        foreach ($config_collection[$item_name]['dependents'] as $dependent_item_name) {
+      if ($config_collection[$item_name]->getPackage()) {
+        foreach ($config_collection[$item_name]->getDependents() as $dependent_item_name) {
           if (isset($config_collection[$dependent_item_name])) {
             $allow = TRUE;
-            if (!$allow_conflicts && !empty($config_collection[$dependent_item_name]['package'])) {
-              if (!empty($packages[$config_collection[$dependent_item_name]['package']])) {
-                $allow = ($packages[$config_collection[$dependent_item_name]['package']]['status'] == FeaturesManagerInterface::STATUS_NO_EXPORT)
-                  || ($config_collection[$item_name]['package'] == $config_collection[$dependent_item_name]['package']);
+            if (!$allow_conflicts && $config_collection[$dependent_item_name]->getPackage()) {
+              if ($packages[$config_collection[$dependent_item_name]->getPackage()]) {
+                $allow = ($packages[$config_collection[$dependent_item_name]->getPackage()]['status'] == FeaturesManagerInterface::STATUS_NO_EXPORT)
+                  || ($config_collection[$item_name]->getPackage() == $config_collection[$dependent_item_name]->getPackage());
               }
             }
             if ($allow) {
diff --git a/modules/features_ui/src/Form/FeaturesDiffForm.php b/modules/features_ui/src/Form/FeaturesDiffForm.php
index 56ef00c..ec70e3c 100644
--- a/modules/features_ui/src/Form/FeaturesDiffForm.php
+++ b/modules/features_ui/src/Form/FeaturesDiffForm.php
@@ -190,7 +190,7 @@ class FeaturesDiffForm extends FormBase {
     foreach ($items as $config_name) {
       if (isset($config[$config_name])) {
         $item = $config[$config_name];
-        $this->configRevert->revert($item['type'], $item['name_short']);
+        $this->configRevert->revert($item->getType(), $item->getShortName());
       }
       else {
         $item = $this->featuresManager->getConfigType($config_name);
diff --git a/modules/features_ui/src/Form/FeaturesEditForm.php b/modules/features_ui/src/Form/FeaturesEditForm.php
index 0a113bf..239abe0 100644
--- a/modules/features_ui/src/Form/FeaturesEditForm.php
+++ b/modules/features_ui/src/Form/FeaturesEditForm.php
@@ -518,14 +518,14 @@ class FeaturesEditForm extends FormBase {
     $components = array();
     $this->conflicts = array();
     foreach ($config as $item_name => $item) {
-      if (!empty($item['package']) && ($item['package'] != $package_name) &&
-        !empty($packages[$item['package']]) && ($packages[$item['package']]['status'] != FeaturesManagerInterface::STATUS_NO_EXPORT)) {
-        $this->conflicts[$item['type']][$item['name_short']] = $item;
+      if (($item->getPackage() != $package_name) &&
+        !empty($packages[$item->getPackage()]) && ($packages[$item->getPackage()]['status'] != FeaturesManagerInterface::STATUS_NO_EXPORT)) {
+        $this->conflicts[$item->getType()][$item->getShortName()] = $item;
       }
       if ($this->allowConflicts
-        || !isset($this->conflicts[$item['type']][$item['name_short']])
+        || !isset($this->conflicts[$item->getType()][$item->getShortName()])
         || (!empty($this->package['config_orig']) && in_array($item_name, $this->package['config_orig']))) {
-        $components[$item['type']][$item['name_short']] = $item;
+        $components[$item->getType()][$item->getShortName()] = $item;
       }
     }
 
@@ -536,7 +536,7 @@ class FeaturesEditForm extends FormBase {
         $item = $config[$item_name];
         // Remove any conflicts if those are not being allowed.
         // if ($this->allowConflicts || !isset($this->conflicts[$item['type']][$item['name_short']])) {
-        $exported_features_info[$item['type']][$item['name_short']] = $item;
+        $exported_features_info[$item->getType()][$item->getShortName()] = $item;
         // }
       }
     }
@@ -548,7 +548,7 @@ class FeaturesEditForm extends FormBase {
       $info = !empty($this->package['info']['features'][$constraint]) ? $this->package['info']['features'][$constraint] : array();
       foreach ($info as $item_name) {
         $item = $config[$item_name];
-        $this->{$constraint}[$item['type']][$item['name_short']] = $item;
+        $this->{$constraint}[$item->getType()][$item->getShortName()] = $item;
       }
     }
 
@@ -556,7 +556,7 @@ class FeaturesEditForm extends FormBase {
     $new_features_info = array();
     foreach ($this->package['config'] as $item_name) {
       $item = $config[$item_name];
-      $new_features_info[$item['type']][$item['name_short']] = $item;
+      $new_features_info[$item->getType()][$item->getShortName()] = $item;
     }
     $new_features_info['dependencies'] = !empty($this->package['dependencies']) ? $this->package['dependencies'] : array();
 
diff --git a/modules/features_ui/src/Form/FeaturesExportForm.php b/modules/features_ui/src/Form/FeaturesExportForm.php
index 4f0725f..bc9dc19 100644
--- a/modules/features_ui/src/Form/FeaturesExportForm.php
+++ b/modules/features_ui/src/Form/FeaturesExportForm.php
@@ -328,9 +328,9 @@ class FeaturesExportForm extends FormBase {
     $package_config = array();
     foreach ($package['config'] as $item_name) {
       $item = $config_collection[$item_name];
-      $package_config[$item['type']][] = array(
+      $package_config[$item->getType()][] = array(
         'name' => SafeMarkup::checkPlain($item_name),
-        'label' => SafeMarkup::checkPlain($item['label']),
+        'label' => SafeMarkup::checkPlain($item->getLabel()),
         'class' => in_array($item_name, $overrides) ? 'features-override' :
           (in_array($item_name, $new_config) ? 'features-detected' : ''),
       );
@@ -349,9 +349,9 @@ class FeaturesExportForm extends FormBase {
         elseif (!in_array($item_name, $package['config'])) {
           $item = $config_collection[$item_name];
           $conflicts[] = $item_name;
-          $package_config[$item['type']][] = array(
+          $package_config[$item->getType()][] = array(
             'name' => SafeMarkup::checkPlain($item_name),
-            'label' => SafeMarkup::checkPlain($item['label']),
+            'label' => SafeMarkup::checkPlain($item->getLabel()),
             'class' => 'features-conflict',
           );
         }
@@ -463,7 +463,7 @@ class FeaturesExportForm extends FormBase {
    *
    * @param array $packages
    *   An array of package names.
-   * @param array $config_collection
+   * @param \Drupal\features\ConfigurationItem[] $config_collection
    *   A collection of configuration.
    */
   protected function addUnpackaged(array &$packages, array $config_collection) {
@@ -476,7 +476,7 @@ class FeaturesExportForm extends FormBase {
       'version' => '',
     );
     foreach ($config_collection as $item_name => $item) {
-      if (empty($item['package']) && !$item['extension_provided']) {
+      if (!$item->getPackage() && !$item->isExtensionProvided()) {
         $packages['unpackaged']['config'][] = $item_name;
       }
     }
diff --git a/src/FeaturesAssignmentMethodBase.php b/src/FeaturesAssignmentMethodBase.php
index 3f8e999..6a3e231 100644
--- a/src/FeaturesAssignmentMethodBase.php
+++ b/src/FeaturesAssignmentMethodBase.php
@@ -95,7 +95,7 @@ abstract class FeaturesAssignmentMethodBase implements FeaturesAssignmentMethodI
 
     foreach ($config_collection as $item_name => $item) {
       // Don't assign configuration that's provided by an extension.
-      if (in_array($item['type'], $types) && !($item['extension_provided'])) {
+      if (in_array($item->getType(), $types) && !($item->isExtensionProvided())) {
         try {
           $this->featuresManager->assignConfigPackage($machine_name, [$item_name]);
         }
@@ -122,8 +122,8 @@ abstract class FeaturesAssignmentMethodBase implements FeaturesAssignmentMethodI
     $config_collection = $this->featuresManager->getConfigCollection();
 
     foreach ($config_collection as &$item) {
-      if (in_array($item['type'], $types)) {
-        $item['subdirectory'] = $subdirectory;
+      if (in_array($item->getType(), $types)) {
+        $item->setSubdirectory($subdirectory);
       }
     }
     // Clean up the $item pass by reference.
diff --git a/src/FeaturesManager.php b/src/FeaturesManager.php
index bc772a3..e49dd85 100644
--- a/src/FeaturesManager.php
+++ b/src/FeaturesManager.php
@@ -491,8 +491,8 @@ class FeaturesManager implements FeaturesManagerInterface {
         // - and the item isn't already in the package.
 
         // Determine if the item is provided by an extension.
-        $extension_provided = ($config_collection[$item_name]['extension_provided'] === TRUE);
-        $already_assigned = !empty($config_collection[$item_name]['package']);
+        $extension_provided = ($config_collection[$item_name]->isExtensionProvided() === TRUE);
+        $already_assigned = !empty($config_collection[$item_name]->getPackage());
         // If this is the profile package, we can reassign extension-provided configuration.
         $assignable = (!$extension_provided || $this->getAssigner()->getBundle($package['bundle'])->isProfilePackage($package['machine_name']));
         $excluded_from_package = in_array($package_name, $config_collection[$item_name]['package_excluded']);
@@ -501,16 +501,16 @@ class FeaturesManager implements FeaturesManagerInterface {
           // Add the item to the package's config array.
           $package['config'][] = $item_name;
           // Mark the item as already assigned.
-          $config_collection[$item_name]['package'] = $package_name;
+          $config_collection[$item_name]->setPackage($package_name);
           // For configuration in the InstallStorage::CONFIG_INSTALL_DIRECTORY
           // directory, set any module dependencies of the configuration item
           // as package dependencies.
           // As its name implies, the core-provided
           // InstallStorage::CONFIG_OPTIONAL_DIRECTORY should not create
           // dependencies.
-          if ($config_collection[$item_name]['subdirectory'] === InstallStorage::CONFIG_INSTALL_DIRECTORY && isset($config_collection[$item_name]['data']['dependencies']['module'])) {
+          if ($config_collection[$item_name]->getSubdirectory() === InstallStorage::CONFIG_INSTALL_DIRECTORY && isset($config_collection[$item_name]->getData()['dependencies']['module'])) {
             $dependencies =& $package['dependencies'];
-            $this->mergeUniqueItems($dependencies, $config_collection[$item_name]['data']['dependencies']['module']);
+            $this->mergeUniqueItems($dependencies, $config_collection[$item_name]->getData()['dependencies']['module']);
           }
         }
       }
@@ -543,7 +543,7 @@ class FeaturesManager implements FeaturesManagerInterface {
             }
           }
 
-          if (empty($item['package']) && preg_match('/[_\-.]' . $pattern . '[_\-.]/', '.' . $item['name_short'] . '.')) {
+          if (!$item->getPackage() && preg_match('/[_\-.]' . $pattern . '[_\-.]/', '.' . $item->getShortName() . '.')) {
             try {
               $this->assignConfigPackage($machine_name, [$item_name]);
             }
@@ -565,11 +565,11 @@ class FeaturesManager implements FeaturesManagerInterface {
       $item_names = array_keys($config_collection);
     }
     foreach ($item_names as $item_name) {
-      if (!empty($config_collection[$item_name]['package'])) {
-        foreach ($config_collection[$item_name]['dependents'] as $dependent_item_name) {
-          if (isset($config_collection[$dependent_item_name]) && (!empty($package) || empty($config_collection[$dependent_item_name]['package']))) {
+      if ($config_collection[$item_name]->getPackage()) {
+        foreach ($config_collection[$item_name]->getDependents() as $dependent_item_name) {
+          if (isset($config_collection[$dependent_item_name]) && (!empty($package) || empty($config_collection[$dependent_item_name]->getPackage()))) {
             try {
-              $package_name = !empty($package) ? $package : $config_collection[$item_name]['package'];
+              $package_name = !empty($package) ? $package : $config_collection[$item_name]->getPackage();
               // If a Package is specified, force assign it to the given
               // package.
               $this->assignConfigPackage($package_name, [$dependent_item_name], !empty($package));
@@ -590,13 +590,13 @@ class FeaturesManager implements FeaturesManagerInterface {
     $config_collection = $this->getConfigCollection();
     foreach ($packages as &$package) {
       foreach ($package['config'] as $item_name) {
-        if (!empty($config_collection[$item_name]['data']['dependencies']['config'])) {
-          foreach ($config_collection[$item_name]['data']['dependencies']['config'] as $dependency_name) {
+        if (!empty($config_collection[$item_name]->getData()['dependencies']['config'])) {
+          foreach ($config_collection[$item_name]->getData()['dependencies']['config'] as $dependency_name) {
             if (isset($config_collection[$dependency_name])) {
               // If the required item is assigned to one of the packages, add
               // a dependency on that package.
-              if (!empty($config_collection[$dependency_name]['package']) && array_key_exists($config_collection[$dependency_name]['package'], $packages)) {
-                $dependency_package = $packages[$config_collection[$dependency_name]['package']];
+              if ($config_collection[$dependency_name]->getPackage() && array_key_exists($config_collection[$dependency_name]->getPackage(), $packages)) {
+                $dependency_package = $packages[$config_collection[$dependency_name]->getPackage()];
                 $dependency_bundle = $this->getAssigner()->getBundle($dependency_package['bundle']);
                 $this->mergeUniqueItems($package['dependencies'], [$dependency_bundle->getFullName($dependency_package['machine_name'])]);
               }
@@ -792,13 +792,15 @@ class FeaturesManager implements FeaturesManagerInterface {
         }
         // User roles include all permissions currently assigned to them. To
         // avoid extraneous additions, reset permissions.
-        if ($config['type'] == 'user_role') {
-          $config['data']['permissions'] = [];
+        if ($config->getType() == 'user_role') {
+          $data = $config->getData();
+          $data['permissions'] = [];
+          $config->setData($data);
         }
         $package['files'][$name] = [
-          'filename' => $config['name'] . '.yml',
-          'subdirectory' => $config['subdirectory'],
-          'string' => Yaml::encode($config['data'])
+          'filename' => $config->getName() . '.yml',
+          'subdirectory' => $config->getSubdirectory(),
+          'string' => Yaml::encode($config->getData())
         ];
       }
     }
diff --git a/src/Plugin/FeaturesAssignment/FeaturesAssignmentBaseType.php b/src/Plugin/FeaturesAssignment/FeaturesAssignmentBaseType.php
index fa305f5..f72a339 100644
--- a/src/Plugin/FeaturesAssignment/FeaturesAssignmentBaseType.php
+++ b/src/Plugin/FeaturesAssignment/FeaturesAssignmentBaseType.php
@@ -40,15 +40,15 @@ class FeaturesAssignmentBaseType extends FeaturesAssignmentMethodBase {
     $config_collection = $this->featuresManager->getConfigCollection();
 
     foreach ($config_collection as $item_name => $item) {
-      if (in_array($item['type'], $config_base_types)) {
-        if (!isset($packages[$item['name_short']]) && empty($item['package'])) {
-          $description = $this->t('Provide @label @type and related configuration.', array('@label' => $item['label'], '@type' => Unicode::strtolower($config_types[$item['type']])));
-          if (isset($item['data']['description'])) {
-            $description .= ' ' . $item['data']['description'];
+      if (in_array($item->getType(), $config_base_types)) {
+        if (!isset($packages[$item['name_short']]) && !$item->getPackage()) {
+          $description = $this->t('Provide @label @type and related configuration.', array('@label' => $item->getLabel(), '@type' => Unicode::strtolower($config_types[$item->getType()])));
+          if (isset($item->getData()['description'])) {
+            $description .= ' ' . $item->getData()['description'];
           }
-          $this->featuresManager->initPackage($item['name_short'], $item['label'], $description, 'module', $current_bundle);
+          $this->featuresManager->initPackage($item->getShortName(), $item->getLabel(), $description, 'module', $current_bundle);
           try {
-            $this->featuresManager->assignConfigPackage($item['name_short'], [$item_name]);
+            $this->featuresManager->assignConfigPackage($item->getShortName(), [$item_name]);
           }
           catch (\Exception $exception) {
             \Drupal::logger('features')->error($exception->getMessage());
diff --git a/src/Plugin/FeaturesAssignment/FeaturesAssignmentExclude.php b/src/Plugin/FeaturesAssignment/FeaturesAssignmentExclude.php
index 999cd1a..822fda8 100644
--- a/src/Plugin/FeaturesAssignment/FeaturesAssignmentExclude.php
+++ b/src/Plugin/FeaturesAssignment/FeaturesAssignmentExclude.php
@@ -42,7 +42,7 @@ class FeaturesAssignmentExclude extends FeaturesAssignmentMethodBase {
     $exclude_types = $settings['types']['config'];
     if (!empty($exclude_types)) {
       foreach ($config_collection as $item_name => $item) {
-        if (in_array($item['type'], $exclude_types)) {
+        if (in_array($item->getType(), $exclude_types)) {
           unset($config_collection[$item_name]);
         }
       }
diff --git a/src/Plugin/FeaturesAssignment/FeaturesAssignmentPackages.php b/src/Plugin/FeaturesAssignment/FeaturesAssignmentPackages.php
index 4e71ca1..361ad17 100644
--- a/src/Plugin/FeaturesAssignment/FeaturesAssignmentPackages.php
+++ b/src/Plugin/FeaturesAssignment/FeaturesAssignmentPackages.php
@@ -44,7 +44,9 @@ class FeaturesAssignmentPackages extends FeaturesAssignmentMethodBase {
           $config_collection = $this->featuresManager->getConfigCollection();
           foreach ($info['features']['excluded'] as $config_name) {
             if (isset($config_collection[$config_name])) {
-              $config_collection[$config_name]['package_excluded'][] = $short_name;
+              $package_excluded = $config_collection[$config_name]->getPackageExcluded();
+              $package_excluded[] = $short_name;
+              $config_collection[$config_name]->setPackageExcluded($package_excluded);
             }
           }
           $this->featuresManager->setConfigCollection($config_collection);
diff --git a/src/Plugin/FeaturesAssignment/FeaturesAssignmentProfile.php b/src/Plugin/FeaturesAssignment/FeaturesAssignmentProfile.php
index f72f14f..d2c1693 100644
--- a/src/Plugin/FeaturesAssignment/FeaturesAssignmentProfile.php
+++ b/src/Plugin/FeaturesAssignment/FeaturesAssignmentProfile.php
@@ -89,7 +89,7 @@ class FeaturesAssignmentProfile extends FeaturesAssignmentMethodBase {
             if (isset($config_collection[$item_name])) {
               // Only assign it if it's not already assigned to a package.
               // @todo: if it's provided by a module, add a dependency.
-              if (empty($config_collection[$item_name]['package'])) {
+              if (!$config_collection[$item_name]->getPackage()) {
                 $this->featuresManager->assignConfigPackage($profile_name, [$item_name], $force);
                 // Reload the profile to refresh the config array after the addition.
                 $profile_package = $this->featuresManager->getPackage($profile_name);
@@ -97,7 +97,7 @@ class FeaturesAssignmentProfile extends FeaturesAssignmentMethodBase {
               // If it's already assigned to a package in the current bundle,
               // add a dependency.
               else {
-                $machine_name = $current_bundle->getFullName($config_collection[$item_name]['package']);
+                $machine_name = $current_bundle->getFullName($config_collection[$item_name]->getPackage());
                 if (!in_array($machine_name, $profile_package['dependencies'])) {
                   $profile_package['dependencies'][] = $machine_name;
                 }