diff --git a/.php_cs b/.php_cs
new file mode 100644
index 0000000..225393f
--- /dev/null
+++ b/.php_cs
@@ -0,0 +1,65 @@
+<?php
+
+$finder = Symfony\Component\Finder\Finder::create()
+    ->notPath('bootstrap/cache')
+    ->notPath('storage')
+    ->notPath('vendor')
+    ->in(__DIR__)
+    ->name('*.php')
+    ->ignoreDotFiles(true)
+    ->ignoreVCS(true);
+
+$fixers = [
+    '-psr0',
+    '-php_closing_tag',
+    'blankline_after_open_tag',
+    'concat_without_spaces',
+    'double_arrow_multiline_whitespaces',
+    'duplicate_semicolon',
+    'empty_return',
+    'extra_empty_lines',
+    'include',
+    'join_function',
+    'list_commas',
+    'multiline_array_trailing_comma',
+    'namespace_no_leading_whitespace',
+    'newline_after_open_tag',
+    'no_blank_lines_after_class_opening',
+    'no_empty_lines_after_phpdocs',
+    'object_operator',
+    'operators_spaces',
+    'phpdoc_indent',
+    'phpdoc_no_access',
+    'phpdoc_no_package',
+    'phpdoc_scalar',
+    'phpdoc_short_description',
+    'phpdoc_to_comment',
+    'phpdoc_trim',
+    'phpdoc_type_to_var',
+    'phpdoc_var_without_name',
+    'remove_leading_slash_use',
+    'remove_lines_between_uses',
+    'return',
+    'self_accessor',
+    'single_array_no_trailing_comma',
+    'single_blank_line_before_namespace',
+    'single_quote',
+    'spaces_before_semicolon',
+    'spaces_cast',
+    'standardize_not_equal',
+    'ternary_spaces',
+    'trim_array_spaces',
+    'unalign_equals',
+    'unary_operators_spaces',
+    'whitespacy_lines',
+    'multiline_spaces_before_semicolon',
+    'short_array_syntax',
+    'short_echo_tag',
+];
+
+return Symfony\CS\Config\Config::create()
+    ->level(Symfony\CS\FixerInterface::PSR2_LEVEL)
+    ->fixers($fixers)
+    ->finder($finder)
+    ->setUsingCache(true);
+
diff --git a/composer.json b/composer.json
index a5840c7..0f93cf0 100644
--- a/composer.json
+++ b/composer.json
@@ -27,6 +27,9 @@
     "phpunit/phpunit": "~4.2|~5.0",
     "mockery/mockery": "^0.9.4"
   },
+  "suggest": {
+    "aws/aws-sdk-php": "^3.19"
+  },
   "autoload": {
     "psr-4": {
       "Elasticquent\\": "src/"
diff --git a/src/ElasticSearchClientFactory.php b/src/ElasticSearchClientFactory.php
new file mode 100644
index 0000000..0673f20
--- /dev/null
+++ b/src/ElasticSearchClientFactory.php
@@ -0,0 +1,111 @@
+<?php
+
+namespace Elasticquent;
+
+final class ElasticSearchClientFactory
+{
+    use ElasticquentConfigTrait;
+
+    /**
+     * @var array
+     */
+    private $config;
+
+    /**
+     * ElasticSearchClientFactory constructor.
+     */
+    public function __construct()
+    {
+        /* @var array $config */
+        $this->config = $this->getElasticConfig();
+    }
+
+    /**
+     * @return \Elasticsearch\Client
+     */
+    public function getClient()
+    {
+        // elasticsearch v2.0 using builder
+        if (class_exists('\Elasticsearch\ClientBuilder')) {
+            // elasticsearch v2.0 using builder
+            $awsConfig = $this->getElasticConfig('aws');
+            if (!empty($awsConfig) && array_get($this->getElasticConfig('aws'), 'iam', false)) {
+                if ($handler = $this->getAwsESHandler()) {
+                    array_set($this->config, 'handler', $handler);
+                }
+            }
+
+            return \Elasticsearch\ClientBuilder::fromConfig($this->config);
+        }
+
+        // elasticsearch v1
+        return new \Elasticsearch\Client($this->config);
+    }
+
+    /**
+     * @return bool|\Closure
+     */
+    private function getAwsESHandler()
+    {
+        $classExistsChecks = [
+            '\Aws\Credentials\Credentials',
+            '\Aws\Signature\SignatureV4',
+            '\GuzzleHttp\Psr7\Request',
+            '\GuzzleHttp\Psr7\Uri',
+            '\GuzzleHttp\Ring\Future\CompletedFutureArray',
+        ];
+
+        foreach ($classExistsChecks as $classExistsCheck) {
+            if (!class_exists($classExistsCheck)) {
+                return false;
+            }
+        }
+
+        $awsConfig = $this->getElasticConfig('aws');
+        if (empty($awsConfig)) {
+            return false;
+        }
+
+        $key = array_get($awsConfig, 'key');
+        $secret = array_get($awsConfig, 'secret');
+        $region = array_get($awsConfig, 'region', 'us-west-2');
+
+        $psr7Handler = \Aws\default_http_handler();
+        $signer = new \Aws\Signature\SignatureV4('es', $region);
+
+        $handler = function (array $request) use (
+            $psr7Handler,
+            $signer,
+            $key,
+            $secret
+        ) {
+            // Amazon ES listens on standard ports (443 for HTTPS, 80 for HTTP).
+            $request['headers']['host'][0] = parse_url($request['headers']['host'][0], PHP_URL_HOST);
+
+            $credentials = new \Aws\Credentials\Credentials($key, $secret);
+
+            // Create a PSR-7 request from the array passed to the handler
+            $psr7Request = new \GuzzleHttp\Psr7\Request($request['http_method'],
+                (new \GuzzleHttp\Psr7\Uri($request['uri']))->withScheme($request['scheme'])->withHost($request['headers']['host'][0]),
+                $request['headers'], $request['body']);
+
+            // Sign the PSR-7 request with credentials from the environment
+            $signedRequest = $signer->signRequest($psr7Request, $credentials);
+
+            // Send the signed request to Amazon ES
+            /** @var \Psr\Http\Message\ResponseInterface $response */
+            $response = $psr7Handler($signedRequest)->wait();
+
+            // Convert the PSR-7 response to a RingPHP response
+            return new \GuzzleHttp\Ring\Future\CompletedFutureArray([
+                'status'         => $response->getStatusCode(),
+                'headers'        => $response->getHeaders(),
+                'body'           => $response->getBody()->detach(),
+                'transfer_stats' => ['total_time' => 0],
+                'effective_url'  => (string) $psr7Request->getUri(),
+            ]);
+        };
+
+        return $handler;
+    }
+}
diff --git a/src/ElasticquentClientTrait.php b/src/ElasticquentClientTrait.php
index 63045a5..6a6d251 100644
--- a/src/ElasticquentClientTrait.php
+++ b/src/ElasticquentClientTrait.php
@@ -7,21 +7,14 @@ trait ElasticquentClientTrait
     use ElasticquentConfigTrait;
 
     /**
-     * Get ElasticSearch Client
+     * Get ElasticSearch Client.
      *
      * @return \Elasticsearch\Client
      */
     public function getElasticSearchClient()
     {
-        $config = $this->getElasticConfig();
+        $factory = new ElasticSearchClientFactory();
 
-        // elasticsearch v2.0 using builder
-        if (class_exists('\Elasticsearch\ClientBuilder')) {
-            return \Elasticsearch\ClientBuilder::fromConfig($config);
-        }
-
-        // elasticsearch v1
-        return new \Elasticsearch\Client($config);
+        return $factory->getClient();
     }
-
 }
diff --git a/src/ElasticquentCollection.php b/src/ElasticquentCollection.php
index f7e41a7..ffe08ac 100644
--- a/src/ElasticquentCollection.php
+++ b/src/ElasticquentCollection.php
@@ -1,8 +1,8 @@
-<?php namespace Elasticquent;
+<?php
+
+namespace Elasticquent;
 
 class ElasticquentCollection extends \Illuminate\Database\Eloquent\Collection
 {
-
     use ElasticquentCollectionTrait;
-
-}
\ No newline at end of file
+}
diff --git a/src/ElasticquentCollectionTrait.php b/src/ElasticquentCollectionTrait.php
index ae51d51..cc5bf53 100644
--- a/src/ElasticquentCollectionTrait.php
+++ b/src/ElasticquentCollectionTrait.php
@@ -1,7 +1,9 @@
-<?php namespace Elasticquent;
+<?php
+
+namespace Elasticquent;
 
 /**
- * Elasticquent Collection Trait
+ * Elasticquent Collection Trait.
  *
  * Elasticsearch functions that you
  * can run on collections of documents.
@@ -11,7 +13,7 @@ trait ElasticquentCollectionTrait
     use ElasticquentClientTrait;
 
     /**
-     * Add To Index
+     * Add To Index.
      *
      * Add all documents in this collection to to the Elasticsearch document index.
      *
@@ -20,19 +22,19 @@ trait ElasticquentCollectionTrait
     public function addToIndex()
     {
         if ($this->isEmpty()) {
-            return null;
+            return;
         }
 
-        $params = array();
+        $params = [];
 
         foreach ($this->all() as $item) {
-            $params['body'][] = array(
-                'index' => array(
-                    '_id' => $item->getKey(),
-                    '_type' => $item->getTypeName(),
+            $params['body'][] = [
+                'index' => [
+                    '_id'    => $item->getKey(),
+                    '_type'  => $item->getTypeName(),
                     '_index' => $item->getIndexName(),
-                ),
-            );
+                ],
+            ];
 
             $params['body'][] = $item->getIndexDocumentData();
         }
@@ -41,7 +43,7 @@ public function addToIndex()
     }
 
     /**
-     * Delete From Index
+     * Delete From Index.
      *
      * @return array
      */
@@ -49,23 +51,23 @@ public function deleteFromIndex()
     {
         $all = $this->all();
 
-        $params = array();
+        $params = [];
 
         foreach ($all as $item) {
-            $params['body'][] = array(
-                'delete' => array(
-                    '_id' => $item->getKey(),
-                    '_type' => $item->getTypeName(),
+            $params['body'][] = [
+                'delete' => [
+                    '_id'    => $item->getKey(),
+                    '_type'  => $item->getTypeName(),
                     '_index' => $item->getIndexName(),
-                ),
-            );
+                ],
+            ];
         }
 
         return $this->getElasticSearchClient()->bulk($params);
     }
 
     /**
-     * Reindex
+     * Reindex.
      *
      * Delete the items and then re-index them.
      *
@@ -74,7 +76,7 @@ public function deleteFromIndex()
     public function reindex()
     {
         $this->deleteFromIndex();
+
         return $this->addToIndex();
     }
-
 }
diff --git a/src/ElasticquentConfigTrait.php b/src/ElasticquentConfigTrait.php
index 80f8e3f..3c181d3 100644
--- a/src/ElasticquentConfigTrait.php
+++ b/src/ElasticquentConfigTrait.php
@@ -5,7 +5,7 @@
 trait ElasticquentConfigTrait
 {
     /**
-     * Get Index Name
+     * Get Index Name.
      *
      * @return string
      */
@@ -24,15 +24,16 @@ public function getIndexName()
     }
 
     /**
-     * Get the Elasticquent config
+     * Get the Elasticquent config.
      *
-     * @param string $key the configuration key
+     * @param string $key    the configuration key
      * @param string $prefix filename of configuration file
+     *
      * @return array configuration
      */
     public function getElasticConfig($key = 'config', $prefix = 'elasticquent')
     {
-        $key = $prefix . ($key ? '.' : '') . $key;
+        $key = $prefix.($key ? '.' : '').$key;
 
         if (function_exists('config')) {
             // Get config helper for Laravel 5.1+
@@ -49,7 +50,7 @@ public function getElasticConfig($key = 'config', $prefix = 'elasticquent')
     }
 
     /**
-     * Inject given config file into an instance of Laravel's config
+     * Inject given config file into an instance of Laravel's config.
      *
      * @throws \Exception when the configuration file is not found
      * @return \Illuminate\Config\Repository configuration repository
@@ -62,17 +63,17 @@ protected function getConfigHelper()
             throw new \Exception('Config file not found.');
         }
 
-        return new \Illuminate\Config\Repository(array('elasticquent' => require($config_file)));
+        return new \Illuminate\Config\Repository(['elasticquent' => require($config_file)]);
     }
 
     /**
      * Get the config path and file name to use when Laravel framework isn't present
-     * e.g. using Eloquent stand-alone or running unit tests
+     * e.g. using Eloquent stand-alone or running unit tests.
      *
-     * @return string config file path 
+     * @return string config file path
      */
     protected function getConfigFile()
     {
-        return __DIR__ . '/config/elasticquent.php';
+        return __DIR__.'/config/elasticquent.php';
     }
 }
diff --git a/src/ElasticquentInterface.php b/src/ElasticquentInterface.php
index b5ecba7..3a21b64 100644
--- a/src/ElasticquentInterface.php
+++ b/src/ElasticquentInterface.php
@@ -1,31 +1,34 @@
-<?php namespace Elasticquent;
+<?php
+
+namespace Elasticquent;
 
 interface ElasticquentInterface
 {
     /**
-     * Get ElasticSearch Client
+     * Get ElasticSearch Client.
      *
      * @return Elasticsearch\Client
      */
     public function getElasticSearchClient();
 
     /**
-     * New Collection
+     * New Collection.
      *
      * @param array $models
+     *
      * @return Collection
      */
-    public function newCollection(array $models = array());
+    public function newCollection(array $models = []);
 
     /**
-     * Get Index Name
+     * Get Index Name.
      *
      * @return string
      */
     public function getIndexName();
 
     /**
-     * Get Type Name
+     * Get Type Name.
      *
      * @return string
      */
@@ -37,21 +40,21 @@ public function getTypeName();
     public function usesTimestampsInIndex();
 
     /**
-     * Get Mapping Properties
+     * Get Mapping Properties.
      *
      * @return array
      */
     public function getMappingProperties();
 
     /**
-     * Set Mapping Properties
+     * Set Mapping Properties.
      *
      * @param   array $mapping
      */
     public function setMappingProperties(array $mapping = null);
 
     /**
-     * Get Index Document Data
+     * Get Index Document Data.
      *
      * Get the data that ElasticSearch will
      * index for this particular document.
@@ -61,7 +64,7 @@ public function setMappingProperties(array $mapping = null);
     public function getIndexDocumentData();
 
     /**
-     * Index Documents
+     * Index Documents.
      *
      * Index all documents in an Eloquent model.
      *
@@ -72,24 +75,24 @@ public static function addAllToIndex();
     /**
      * Search a Type.
      */
-    public static function search($query = array());
+    public static function search($query = []);
 
     /**
-     * Add to Search Index
+     * Add to Search Index.
      *
      * @return
      */
     public function addToIndex();
 
     /**
-     * Remove From Search Index
+     * Remove From Search Index.
      *
      * @return
      */
     public function removeFromIndex();
 
     /**
-     * Get Search Document
+     * Get Search Document.
      *
      * Retrieve an ElasticSearch document
      * for this enty.
@@ -99,7 +102,7 @@ public function removeFromIndex();
     public function getIndexedDocument();
 
     /**
-     * Get Basic Elasticsearch Params
+     * Get Basic Elasticsearch Params.
      *
      * Most Elasticsearch API calls need the index and
      * type passed in a parameter array.
@@ -121,7 +124,7 @@ public function getBasicEsParams($getIdIfPossible = true);
     public function isDocument();
 
     /**
-     * Get Document Score
+     * Get Document Score.
      *
      * @return null|float
      */
@@ -137,14 +140,14 @@ public function documentScore();
     public static function putMapping($ignoreConflicts = false);
 
     /**
-     * Delete Mapping
+     * Delete Mapping.
      *
      * @return
      */
     public static function deleteMapping();
 
     /**
-     * Rebuild Mapping
+     * Rebuild Mapping.
      *
      * This will delete and then re-add
      * the mapping for this model.
@@ -154,7 +157,7 @@ public static function deleteMapping();
     public static function rebuildMapping();
 
     /**
-     * Get Mapping
+     * Get Mapping.
      *
      * Get our existing Elasticsearch mapping
      * for this model.
@@ -164,7 +167,7 @@ public static function rebuildMapping();
     public static function getMapping();
 
     /**
-     * Type Exists
+     * Type Exists.
      *
      * Does this type exist?
      *
diff --git a/src/ElasticquentPaginator.php b/src/ElasticquentPaginator.php
index 84de151..6417c09 100644
--- a/src/ElasticquentPaginator.php
+++ b/src/ElasticquentPaginator.php
@@ -1,4 +1,6 @@
-<?php namespace Elasticquent;
+<?php
+
+namespace Elasticquent;
 
 use Illuminate\Pagination\LengthAwarePaginator as Paginator;
 use Illuminate\Support\Collection;
@@ -8,12 +10,12 @@ class ElasticquentPaginator extends Paginator
     /**
      * Create a new paginator instance.
      *
-     * @param  mixed  $items
-     * @param  mixed  $hits
-     * @param  int  $total
-     * @param  int  $perPage
-     * @param  int|null  $currentPage
-     * @param  array  $options (path, query, fragment, pageName)
+     * @param  mixed    $items
+     * @param  mixed    $hits
+     * @param  int      $total
+     * @param  int      $perPage
+     * @param  int|null $currentPage
+     * @param  array    $options (path, query, fragment, pageName)
      */
     public function __construct($items, $hits, $total, $perPage, $currentPage = null, array $options = [])
     {
@@ -24,7 +26,7 @@ public function __construct($items, $hits, $total, $perPage, $currentPage = null
         $this->perPage = $perPage;
         $this->lastPage = (int) ceil($total / $perPage);
         $this->currentPage = $this->setCurrentPage($currentPage, $this->lastPage);
-        $this->path = $this->path != '/' ? rtrim($this->path, '/') . '/' : $this->path;
+        $this->path = $this->path != '/' ? rtrim($this->path, '/').'/' : $this->path;
         $this->items = $items instanceof Collection ? $items : Collection::make($items);
         $this->hits = $hits;
     }
diff --git a/src/ElasticquentResultCollection.php b/src/ElasticquentResultCollection.php
index 100ede6..d685d8f 100644
--- a/src/ElasticquentResultCollection.php
+++ b/src/ElasticquentResultCollection.php
@@ -1,24 +1,31 @@
-<?php namespace Elasticquent;
+<?php
+
+namespace Elasticquent;
 
 use Elasticquent\ElasticquentPaginator as Paginator;
 
 class ElasticquentResultCollection extends \Illuminate\Database\Eloquent\Collection
 {
     protected $took;
+
     protected $timed_out;
+
     protected $shards;
+
     protected $hits;
+
     protected $aggregations = null;
 
     /**
-     * Create a new instance containing Elasticsearch results
+     * Create a new instance containing Elasticsearch results.
      *
-     * @todo Remove backwards compatible detection at further point
+     * @todo       Remove backwards compatible detection at further point
      * @deprecated Initialize with params ($results, $instance) is deprecated,
      *    please use Model::hydrateElasticsearchResult($results).
      *
-     * @param  mixed  $items
-     * @param  array  $meta
+     * @param  mixed $items
+     * @param  array $meta
+     *
      * @return void
      */
     public function __construct($items, $meta = null)
@@ -43,6 +50,7 @@ public function __construct($items, $meta = null)
      * Set the result meta.
      *
      * @param array $meta
+     *
      * @return $this
      */
     public function setMeta(array $meta)
@@ -57,7 +65,7 @@ public function setMeta(array $meta)
     }
 
     /**
-     * Total Hits
+     * Total Hits.
      *
      * @return int
      */
@@ -67,7 +75,7 @@ public function totalHits()
     }
 
     /**
-     * Max Score
+     * Max Score.
      *
      * @return float
      */
@@ -77,7 +85,7 @@ public function maxScore()
     }
 
     /**
-     * Get Shards
+     * Get Shards.
      *
      * @return array
      */
@@ -87,7 +95,7 @@ public function getShards()
     }
 
     /**
-     * Took
+     * Took.
      *
      * @return string
      */
@@ -97,7 +105,7 @@ public function took()
     }
 
     /**
-     * Timed Out
+     * Timed Out.
      *
      * @return bool
      */
@@ -107,7 +115,7 @@ public function timedOut()
     }
 
     /**
-     * Get Hits
+     * Get Hits.
      *
      * Get the raw hits array from
      * Elasticsearch results.
@@ -120,7 +128,7 @@ public function getHits()
     }
 
     /**
-     * Get aggregations
+     * Get aggregations.
      *
      * Get the raw hits array from
      * Elasticsearch results.
@@ -133,7 +141,7 @@ public function getAggregations()
     }
 
     /**
-     * Paginate Collection
+     * Paginate Collection.
      *
      * @param int $pageLimit
      *
@@ -142,7 +150,8 @@ public function getAggregations()
     public function paginate($pageLimit = 25)
     {
         $page = Paginator::resolveCurrentPage() ?: 1;
-       
-        return new Paginator($this->items, $this->hits, $this->totalHits(), $pageLimit, $page, ['path' => Paginator::resolveCurrentPath()]);
+
+        return new Paginator($this->items, $this->hits, $this->totalHits(), $pageLimit, $page,
+            ['path' => Paginator::resolveCurrentPath()]);
     }
 }
diff --git a/src/ElasticquentTrait.php b/src/ElasticquentTrait.php
index a23e7c4..d1a86be 100644
--- a/src/ElasticquentTrait.php
+++ b/src/ElasticquentTrait.php
@@ -3,12 +3,12 @@
 namespace Elasticquent;
 
 use Exception;
-use ReflectionMethod;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\Relation;
+use ReflectionMethod;
 
 /**
- * Elasticquent Trait
+ * Elasticquent Trait.
  *
  * Functionality extensions for Elequent that
  * makes working with Elasticsearch easier.
@@ -18,14 +18,14 @@ trait ElasticquentTrait
     use ElasticquentClientTrait;
 
     /**
-     * Uses Timestamps In Index
+     * Uses Timestamps In Index.
      *
      * @var bool
      */
     protected $usesTimestampsInIndex = true;
 
     /**
-     * Is ES Document
+     * Is ES Document.
      *
      * Set to true when our model is
      * populated by a
@@ -35,7 +35,7 @@ trait ElasticquentTrait
     protected $isDocument = false;
 
     /**
-     * Document Score
+     * Document Score.
      *
      * Hit score when using data
      * from Elasticsearch results.
@@ -45,7 +45,7 @@ trait ElasticquentTrait
     protected $documentScore = null;
 
     /**
-     * Document Version
+     * Document Version.
      *
      * Elasticsearch document version.
      *
@@ -54,18 +54,19 @@ trait ElasticquentTrait
     protected $documentVersion = null;
 
     /**
-     * New Collection
+     * New Collection.
      *
      * @param array $models
+     *
      * @return ElasticquentCollection
      */
-    public function newCollection(array $models = array())
+    public function newCollection(array $models = [])
     {
         return new ElasticquentCollection($models);
     }
 
     /**
-     * Get Type Name
+     * Get Type Name.
      *
      * @return string
      */
@@ -101,7 +102,7 @@ public function dontUseTimestampsInIndex()
     }
 
     /**
-     * Get Mapping Properties
+     * Get Mapping Properties.
      *
      * @return array
      */
@@ -111,9 +112,10 @@ public function getMappingProperties()
     }
 
     /**
-     * Set Mapping Properties
+     * Set Mapping Properties.
      *
      * @param    array $mapping
+     *
      * @internal param array $mapping
      */
     public function setMappingProperties(array $mapping = null)
@@ -122,7 +124,7 @@ public function setMappingProperties(array $mapping = null)
     }
 
     /**
-     * Get Index Settings
+     * Get Index Settings.
      *
      * @return array
      */
@@ -132,7 +134,7 @@ public function getIndexSettings()
     }
 
     /**
-     * Is Elasticsearch Document
+     * Is Elasticsearch Document.
      *
      * Is the data in this module sourced
      * from an Elasticsearch document source?
@@ -145,7 +147,7 @@ public function isDocument()
     }
 
     /**
-     * Get Document Score
+     * Get Document Score.
      *
      * @return null|float
      */
@@ -155,7 +157,7 @@ public function documentScore()
     }
 
     /**
-     * Document Version
+     * Document Version.
      *
      * @return null|int
      */
@@ -165,7 +167,7 @@ public function documentVersion()
     }
 
     /**
-     * Get Index Document Data
+     * Get Index Document Data.
      *
      * Get the data that Elasticsearch will
      * index for this particular document.
@@ -178,7 +180,7 @@ public function getIndexDocumentData()
     }
 
     /**
-     * Index Documents
+     * Index Documents.
      *
      * Index all documents in an Eloquent model.
      *
@@ -188,13 +190,13 @@ public static function addAllToIndex()
     {
         $instance = new static;
 
-        $all = $instance->newQuery()->get(array('*'));
+        $all = $instance->newQuery()->get(['*']);
 
         return $all->addToIndex();
     }
 
     /**
-     * Re-Index All Content
+     * Re-Index All Content.
      *
      * @return array
      */
@@ -202,13 +204,13 @@ public static function reindex()
     {
         $instance = new static;
 
-        $all = $instance->newQuery()->get(array('*'));
+        $all = $instance->newQuery()->get(['*']);
 
         return $all->reindex();
     }
 
     /**
-     * Search By Query
+     * Search By Query.
      *
      * Search with a query array
      *
@@ -221,8 +223,14 @@ public static function reindex()
      *
      * @return ElasticquentResultCollection
      */
-    public static function searchByQuery($query = null, $aggregations = null, $sourceFields = null, $limit = null, $offset = null, $sort = null)
-    {
+    public static function searchByQuery(
+        $query = null,
+        $aggregations = null,
+        $sourceFields = null,
+        $limit = null,
+        $offset = null,
+        $sort = null
+    ) {
         $instance = new static;
 
         $params = $instance->getBasicEsParams(true, true, true, $limit, $offset);
@@ -254,6 +262,7 @@ public static function searchByQuery($query = null, $aggregations = null, $sourc
      * Using this method, a custom query can be sent to Elasticsearch.
      *
      * @param  $params parameters to be passed directly to Elasticsearch
+     *
      * @return ElasticquentResultCollection
      */
     public static function complexSearch($params)
@@ -266,7 +275,7 @@ public static function complexSearch($params)
     }
 
     /**
-     * Search
+     * Search.
      *
      * Simple search using a match _all query
      *
@@ -288,7 +297,7 @@ public static function search($term = '')
     }
 
     /**
-     * Add to Search Index
+     * Add to Search Index.
      *
      * @throws Exception
      * @return array
@@ -315,7 +324,7 @@ public function addToIndex()
     }
 
     /**
-     * Remove From Search Index
+     * Remove From Search Index.
      *
      * @return array
      */
@@ -325,7 +334,7 @@ public function removeFromIndex()
     }
 
     /**
-     * Partial Update to Indexed Document
+     * Partial Update to Indexed Document.
      *
      * @return array
      */
@@ -340,7 +349,7 @@ public function updateIndex()
     }
 
     /**
-     * Get Search Document
+     * Get Search Document.
      *
      * Retrieve an ElasticSearch document
      * for this entity.
@@ -353,7 +362,7 @@ public function getIndexedDocument()
     }
 
     /**
-     * Get Basic Elasticsearch Params
+     * Get Basic Elasticsearch Params.
      *
      * Most Elasticsearch API calls need the index and
      * type passed in a parameter array.
@@ -366,12 +375,17 @@ public function getIndexedDocument()
      *
      * @return array
      */
-    public function getBasicEsParams($getIdIfPossible = true, $getSourceIfPossible = false, $getTimestampIfPossible = false, $limit = null, $offset = null)
-    {
-        $params = array(
+    public function getBasicEsParams(
+        $getIdIfPossible = true,
+        $getSourceIfPossible = false,
+        $getTimestampIfPossible = false,
+        $limit = null,
+        $offset = null
+    ) {
+        $params = [
             'index' => $this->getIndexName(),
-            'type' => $this->getTypeName(),
-        );
+            'type'  => $this->getTypeName(),
+        ];
 
         if ($getIdIfPossible && $this->getKey()) {
             $params['id'] = $this->getKey();
@@ -396,13 +410,14 @@ public function getBasicEsParams($getIdIfPossible = true, $getSourceIfPossible =
     /**
      * Build the 'fields' parameter depending on given options.
      *
-     * @param bool   $getSourceIfPossible
-     * @param bool   $getTimestampIfPossible
+     * @param bool $getSourceIfPossible
+     * @param bool $getTimestampIfPossible
+     *
      * @return array
      */
     private function buildFieldsParameter($getSourceIfPossible, $getTimestampIfPossible)
     {
-        $fieldsParam = array();
+        $fieldsParam = [];
 
         if ($getSourceIfPossible) {
             $fieldsParam[] = '_source';
@@ -416,7 +431,7 @@ private function buildFieldsParameter($getSourceIfPossible, $getTimestampIfPossi
     }
 
     /**
-     * Mapping Exists
+     * Mapping Exists.
      *
      * @return bool
      */
@@ -430,7 +445,7 @@ public static function mappingExists()
     }
 
     /**
-     * Get Mapping
+     * Get Mapping.
      *
      * @return void
      */
@@ -456,10 +471,10 @@ public static function putMapping($ignoreConflicts = false)
 
         $mapping = $instance->getBasicEsParams();
 
-        $params = array(
-            '_source' => array('enabled' => true),
+        $params = [
+            '_source'    => ['enabled' => true],
             'properties' => $instance->getMappingProperties(),
-        );
+        ];
 
         $mapping['body'][$instance->getTypeName()] = $params;
 
@@ -467,7 +482,7 @@ public static function putMapping($ignoreConflicts = false)
     }
 
     /**
-     * Delete Mapping
+     * Delete Mapping.
      *
      * @return array
      */
@@ -481,7 +496,7 @@ public static function deleteMapping()
     }
 
     /**
-     * Rebuild Mapping
+     * Rebuild Mapping.
      *
      * This will delete and then re-add
      * the mapping for this model.
@@ -504,7 +519,7 @@ public static function rebuildMapping()
     }
 
     /**
-     * Create Index
+     * Create Index.
      *
      * @param int $shards
      * @param int $replicas
@@ -517,9 +532,9 @@ public static function createIndex($shards = null, $replicas = null)
 
         $client = $instance->getElasticSearchClient();
 
-        $index = array(
+        $index = [
             'index' => $instance->getIndexName(),
-        );
+        ];
 
         $settings = $instance->getIndexSettings();
         if (!is_null($settings)) {
@@ -537,7 +552,7 @@ public static function createIndex($shards = null, $replicas = null)
         $mappingProperties = $instance->getMappingProperties();
         if (!is_null($mappingProperties)) {
             $index['body']['mappings'][$instance->getTypeName()] = [
-                '_source' => array('enabled' => true),
+                '_source'    => ['enabled' => true],
                 'properties' => $mappingProperties,
             ];
         }
@@ -546,7 +561,7 @@ public static function createIndex($shards = null, $replicas = null)
     }
 
     /**
-     * Delete Index
+     * Delete Index.
      *
      * @return array
      */
@@ -556,9 +571,9 @@ public static function deleteIndex()
 
         $client = $instance->getElasticSearchClient();
 
-        $index = array(
+        $index = [
             'index' => $instance->getIndexName(),
-        );
+        ];
 
         return $client->indices()->delete($index);
     }
@@ -580,7 +595,7 @@ public static function typeExists()
     }
 
     /**
-     * New From Hit Builder
+     * New From Hit Builder.
      *
      * Variation on newFromBuilder. Instead, takes
      *
@@ -588,16 +603,16 @@ public static function typeExists()
      *
      * @return static
      */
-    public function newFromHitBuilder($hit = array())
+    public function newFromHitBuilder($hit = [])
     {
         $key_name = $this->getKeyName();
-        
+
         $attributes = $hit['_source'];
 
         if (isset($hit['_id'])) {
             $attributes[$key_name] = is_numeric($hit['_id']) ? intval($hit['_id']) : $hit['_id'];
         }
-        
+
         // Add fields to attributes
         if (isset($hit['fields'])) {
             foreach ($hit['fields'] as $key => $value) {
@@ -626,20 +641,23 @@ public function newFromHitBuilder($hit = array())
     /**
      * Create a elacticquent result collection of models from plain elasticsearch result.
      *
-     * @param  array  $result
+     * @param  array $result
+     *
      * @return \Elasticquent\ElasticquentResultCollection
      */
     public static function hydrateElasticsearchResult(array $result)
     {
         $items = $result['hits']['hits'];
+
         return static::hydrateElasticquentResult($items, $meta = $result);
     }
 
     /**
      * Create a elacticquent result collection of models from plain arrays.
      *
-     * @param  array  $items
-     * @param  array  $meta
+     * @param  array $items
+     * @param  array $meta
+     *
      * @return \Elasticquent\ElasticquentResultCollection
      */
     public static function hydrateElasticquentResult(array $items, $meta = null)
@@ -656,16 +674,20 @@ public static function hydrateElasticquentResult(array $items, $meta = null)
     /**
      * Create a new model instance that is existing recursive.
      *
-     * @param  \Illuminate\Database\Eloquent\Model  $model
-     * @param  array  $attributes
-     * @param  \Illuminate\Database\Eloquent\Relations\Relation  $parentRelation
+     * @param  \Illuminate\Database\Eloquent\Model              $model
+     * @param  array                                            $attributes
+     * @param  \Illuminate\Database\Eloquent\Relations\Relation $parentRelation
+     *
      * @return static
      */
-    public static function newFromBuilderRecursive(Model $model, array $attributes = [], Relation $parentRelation = null)
-    {
+    public static function newFromBuilderRecursive(
+        Model $model,
+        array $attributes = [],
+        Relation $parentRelation = null
+    ) {
         $instance = $model->newInstance([], $exists = true);
 
-        $instance->setRawAttributes((array)$attributes, $sync = true);
+        $instance->setRawAttributes((array) $attributes, $sync = true);
 
         // Load relations recursive
         static::loadRelationsAttributesRecursive($instance);
@@ -678,9 +700,10 @@ public static function newFromBuilderRecursive(Model $model, array $attributes =
     /**
      * Create a collection of models from plain arrays recursive.
      *
-     * @param  \Illuminate\Database\Eloquent\Model $model
+     * @param  \Illuminate\Database\Eloquent\Model              $model
      * @param  \Illuminate\Database\Eloquent\Relations\Relation $parentRelation
-     * @param  array $items
+     * @param  array                                            $items
+     *
      * @return \Illuminate\Database\Eloquent\Collection
      */
     public static function hydrateRecursive(Model $model, array $items, Relation $parentRelation = null)
@@ -690,7 +713,7 @@ public static function hydrateRecursive(Model $model, array $items, Relation $pa
         $items = array_map(function ($item) use ($instance, $parentRelation) {
             // Convert all null relations into empty arrays
             $item = $item ?: [];
-            
+
             return static::newFromBuilderRecursive($instance, $item, $parentRelation);
         }, $items);
 
@@ -733,8 +756,8 @@ public static function loadRelationsAttributesRecursive(Model $model)
     /**
      * Get the pivot attribute from a model.
      *
-     * @param  \Illuminate\Database\Eloquent\Model  $model
-     * @param  \Illuminate\Database\Eloquent\Relations\Relation  $parentRelation
+     * @param  \Illuminate\Database\Eloquent\Model              $model
+     * @param  \Illuminate\Database\Eloquent\Relations\Relation $parentRelation
      */
     public static function loadPivotAttribute(Model $model, Relation $parentRelation = null)
     {
@@ -752,8 +775,9 @@ public static function loadPivotAttribute(Model $model, Relation $parentRelation
     /**
      * Create a new Elasticquent Result Collection instance.
      *
-     * @param  array  $models
-     * @param  array  $meta
+     * @param  array $models
+     * @param  array $meta
+     *
      * @return \Elasticquent\ElasticquentResultCollection
      */
     public function newElasticquentResultCollection(array $models = [], $meta = null)
@@ -766,8 +790,9 @@ public function newElasticquentResultCollection(array $models = [], $meta = null
      *
      * For detect if a relation field is single model or collections.
      *
-     * @param  array  $array
-     * @return boolean
+     * @param  array $array
+     *
+     * @return bool
      */
     private static function isMultiLevelArray(array $array)
     {
@@ -776,6 +801,7 @@ private static function isMultiLevelArray(array $array)
                 return false;
             }
         }
+
         return true;
     }
 }
diff --git a/src/config/elasticquent.php b/src/config/elasticquent.php
index 7562a61..bf98eb4 100644
--- a/src/config/elasticquent.php
+++ b/src/config/elasticquent.php
@@ -1,6 +1,6 @@
 <?php
 
-return array(
+return [
 
     /*
     |--------------------------------------------------------------------------
@@ -14,8 +14,8 @@
     */
 
     'config' => [
-        'hosts'     => ['localhost:9200'],
-        'retries'   => 1,
+        'hosts'   => ['localhost:9200'],
+        'retries' => 1,
     ],
 
     /*
@@ -29,4 +29,16 @@
 
     'default_index' => 'my_custom_index_name',
 
-);
+    /*
+    |--------------------------------------------------------------------------
+    | Enable to use Amazon Elasticsearch Service
+    |--------------------------------------------------------------------------
+    */
+    'aws' => [
+        'iam'    => true,
+        'key'    => 'YOUR_AWS_KEY',
+        'secret' => 'YOUR_AWS_SECRET',
+        'region' => 'us-west-2',
+    ],
+
+];
diff --git a/tests/ElasticSearchMethodsTest.php b/tests/ElasticSearchMethodsTest.php
index 2fbd0a9..6b876d3 100644
--- a/tests/ElasticSearchMethodsTest.php
+++ b/tests/ElasticSearchMethodsTest.php
@@ -14,32 +14,32 @@
  *
  * The Elasticquent method will then format the response and we test that the resulting 
  * Elasticquent results collection methods return the results we expect to verify this. 
- */ 
+ */
 
 class ElasticSearchMethodsTest extends PHPUnit_Framework_TestCase
 {
     protected $expectedHits = [
-            'total' => 2,
-            'max_score' => 0.7768564,
-            'hits' => [
-                [
-                    '_index' => 'my_custom_index_name',
-                    '_type' => 'test_table',
-                    '_score' => 0.7768564,
-                    '_source' => [
-                        'name' => 'foo',
-                    ]
+        'total'     => 2,
+        'max_score' => 0.7768564,
+        'hits'      => [
+            [
+                '_index'  => 'my_custom_index_name',
+                '_type'   => 'test_table',
+                '_score'  => 0.7768564,
+                '_source' => [
+                    'name' => 'foo',
                 ],
-                [
-                    '_index' => 'my_custom_index_name',
-                    '_type' => 'test_table',
-                    '_score' => 0.5634561,
-                    '_source' => [
-                        'name' => 'bar',
-                    ]
+            ],
+            [
+                '_index'  => 'my_custom_index_name',
+                '_type'   => 'test_table',
+                '_score'  => 0.5634561,
+                '_source' => [
+                    'name' => 'bar',
                 ],
-            ]
-        ];
+            ],
+        ],
+    ];
 
     public function setUp()
     {
@@ -53,7 +53,7 @@ public function testSuccessfulSearch()
         $this->assertInstanceOf('Elasticquent\ElasticquentResultCollection', $result);
         $this->assertEquals(2, $result->totalHits());
         $this->assertEquals(0.7768564, $result->maxScore());
-        $this->assertEquals(['total' => 5,'successful' => 5,'unsuccessful' => 0], $result->getShards());
+        $this->assertEquals(['total' => 5, 'successful' => 5, 'unsuccessful' => 0], $result->getShards());
         $this->assertEquals(8, $result->took());
         $this->assertFalse($result->timedOut());
         $this->assertEquals($this->expectedHits, $result->getHits());
@@ -65,15 +65,15 @@ public function testUnsuccessfulSearch()
         $result = $this->model->search('with no results');
 
         $expectedHits = [
-            'total' => 0,
+            'total'     => 0,
             'max_score' => null,
-            'hits' => []
+            'hits'      => [],
         ];
 
         $this->assertInstanceOf('Elasticquent\ElasticquentResultCollection', $result);
         $this->assertEquals(0, $result->totalHits());
         $this->assertNull($result->maxScore());
-        $this->assertEquals(['total' => 5,'successful' => 5,'unsuccessful' => 0], $result->getShards());
+        $this->assertEquals(['total' => 5, 'successful' => 5, 'unsuccessful' => 0], $result->getShards());
         $this->assertEquals(4, $result->took());
         $this->assertFalse($result->timedOut());
         $this->assertEquals($expectedHits, $result->getHits());
diff --git a/tests/ElasticquentTraitTest.php b/tests/ElasticquentTraitTest.php
index 5939857..c47ed8c 100644
--- a/tests/ElasticquentTraitTest.php
+++ b/tests/ElasticquentTraitTest.php
@@ -1,11 +1,11 @@
 <?php
 
-class ElasticquentTraitTest extends PHPUnit_Framework_TestCase {
-
-    public $modelData = array('name' => 'Test Name');
+class ElasticquentTraitTest extends PHPUnit_Framework_TestCase
+{
+    public $modelData = ['name' => 'Test Name'];
 
     /**
-     * Testing Model
+     * Testing Model.
      *
      * @return void
      */
@@ -16,7 +16,7 @@ public function setup()
     }
 
     /**
-     * Test type name inferred from table name
+     * Test type name inferred from table name.
      */
     public function testTypeNameInferredFromTableName()
     {
@@ -24,7 +24,7 @@ public function testTypeNameInferredFromTableName()
     }
 
     /**
-     * Test type name overrides table name 
+     * Test type name overrides table name.
      */
     public function testTypeNameOverridesTableName()
     {
@@ -33,7 +33,7 @@ public function testTypeNameOverridesTableName()
     }
 
     /**
-     * Test Basic Properties Getters
+     * Test Basic Properties Getters.
      */
     public function testBasicPropertiesGetters()
     {
@@ -45,18 +45,18 @@ public function testBasicPropertiesGetters()
     }
 
     /**
-     * Testing Mapping Setup
+     * Testing Mapping Setup.
      */
     public function testMappingSetup()
     {
-        $mapping = array('foo' => 'bar');
+        $mapping = ['foo' => 'bar'];
 
         $this->model->setMappingProperties($mapping);
         $this->assertEquals($mapping, $this->model->getMappingProperties());
     }
 
     /**
-     * Test Index Document Data
+     * Test Index Document Data.
      */
     public function testIndexDocumentData()
     {
@@ -67,17 +67,15 @@ public function testIndexDocumentData()
         $custom = new CustomTestModel();
         $custom->fill($this->modelData);
 
-        $this->assertEquals(
-                array('foo' => 'bar'), $custom->getIndexDocumentData());
+        $this->assertEquals(['foo' => 'bar'], $custom->getIndexDocumentData());
     }
 
     /**
-     * Test Document Null States
+     * Test Document Null States.
      */
     public function testDocumentNullStates()
     {
         $this->assertFalse($this->model->isDocument());
         $this->assertNull($this->model->documentScore());
     }
-
 }
diff --git a/tests/models/CustomTestModel.php b/tests/models/CustomTestModel.php
index a348552..1c6836c 100644
--- a/tests/models/CustomTestModel.php
+++ b/tests/models/CustomTestModel.php
@@ -4,14 +4,14 @@
 use Elasticquent\ElasticquentTrait;
 use Illuminate\Database\Eloquent\Model as Eloquent;
 
-class CustomTestModel extends Eloquent implements ElasticquentInterface {
-
+class CustomTestModel extends Eloquent implements ElasticquentInterface
+{
     use ElasticquentTrait;
 
-    protected $fillable = array('name');
+    protected $fillable = ['name'];
 
-    function getIndexDocumentData()
+    public function getIndexDocumentData()
     {
-        return array('foo' => 'bar');
+        return ['foo' => 'bar'];
     }
 }
diff --git a/tests/models/SearchTestModel.php b/tests/models/SearchTestModel.php
index 63d6044..0432e93 100644
--- a/tests/models/SearchTestModel.php
+++ b/tests/models/SearchTestModel.php
@@ -15,26 +15,14 @@ public function getElasticSearchClient()
     {
         $elasticClient = m::mock('Elasticsearch\Client');
 
-        $elasticClient
-            ->shouldReceive('search')
-            ->with(searchParams('with results'))
-            ->andReturn(successfulResults());
-
-        $elasticClient
-            ->shouldReceive('search')
-            ->with(searchParams('with no results'))
-            ->andReturn(unsuccessfulResults());
-
-        $elasticClient
-            ->shouldReceive('search')
-            ->with(searchParams(''))
-            ->andReturn(unsuccessfulResults());
-
-        $elasticClient
-            ->shouldReceive('search')
-            ->with(complexParameters())
-            ->andReturn(successfulResults());
-
-        return $elasticClient; 
+        $elasticClient->shouldReceive('search')->with(searchParams('with results'))->andReturn(successfulResults());
+
+        $elasticClient->shouldReceive('search')->with(searchParams('with no results'))->andReturn(unsuccessfulResults());
+
+        $elasticClient->shouldReceive('search')->with(searchParams(''))->andReturn(unsuccessfulResults());
+
+        $elasticClient->shouldReceive('search')->with(complexParameters())->andReturn(successfulResults());
+
+        return $elasticClient;
     }
 }
diff --git a/tests/models/TestModel.php b/tests/models/TestModel.php
index 5db603e..340368c 100644
--- a/tests/models/TestModel.php
+++ b/tests/models/TestModel.php
@@ -4,11 +4,11 @@
 use Elasticquent\ElasticquentTrait;
 use Illuminate\Database\Eloquent\Model as Eloquent;
 
-class TestModel extends Eloquent implements ElasticquentInterface {
-
+class TestModel extends Eloquent implements ElasticquentInterface
+{
     use ElasticquentTrait;
 
     protected $table = 'test_table';
 
-    protected $fillable = array('name');
-}
\ No newline at end of file
+    protected $fillable = ['name'];
+}
diff --git a/tests/models/TestModelWithCustomTypeName.php b/tests/models/TestModelWithCustomTypeName.php
index d680de4..28c6cdd 100644
--- a/tests/models/TestModelWithCustomTypeName.php
+++ b/tests/models/TestModelWithCustomTypeName.php
@@ -4,16 +4,16 @@
 use Elasticquent\ElasticquentTrait;
 use Illuminate\Database\Eloquent\Model as Eloquent;
 
-class TestModelWithCustomTypeName extends Eloquent implements ElasticquentInterface {
-
+class TestModelWithCustomTypeName extends Eloquent implements ElasticquentInterface
+{
     use ElasticquentTrait;
 
     protected $table = 'test_table';
 
-    protected $fillable = array('name');
+    protected $fillable = ['name'];
 
     public function getTypeName()
     {
         return 'test_type_name';
     }
-}
\ No newline at end of file
+}
diff --git a/tests/stubs/parameters.php b/tests/stubs/parameters.php
index 557b1b9..8dd2fd7 100644
--- a/tests/stubs/parameters.php
+++ b/tests/stubs/parameters.php
@@ -8,7 +8,7 @@ function basicParameters()
 {
     return [
         'index' => 'my_custom_index_name',
-        'type' => 'test_table',
+        'type'  => 'test_table',
     ];
 }
 
@@ -16,6 +16,7 @@ function searchParams($searchTerm)
 {
     $params = basicParameters();
     $params['body'] = ['query' => ['match' => ['_all' => $searchTerm]]];
+
     return $params;
 }
 
@@ -26,13 +27,14 @@ function complexParameters()
         'query' => [
             'filtered' => [
                 'filter' => [
-                    'term' => [ 'my_field' => 'abc' ]
+                    'term' => ['my_field' => 'abc'],
+                ],
+                'query'  => [
+                    'match' => ['my_other_field' => 'xyz'],
                 ],
-                'query' => [
-                    'match' => [ 'my_other_field' => 'xyz' ]
-                ]
-            ]
-        ]
+            ],
+        ],
     ];
-    return $params;   
+
+    return $params;
 }
diff --git a/tests/stubs/results.php b/tests/stubs/results.php
index 6283a83..93d63d9 100644
--- a/tests/stubs/results.php
+++ b/tests/stubs/results.php
@@ -7,32 +7,32 @@
 function successfulResults()
 {
     return [
-        'took' => 8,
-        'timed_out' => false,
-        '_shards' => [
-            'total' => 5,
-            'successful' => 5,
+        'took'         => 8,
+        'timed_out'    => false,
+        '_shards'      => [
+            'total'        => 5,
+            'successful'   => 5,
             'unsuccessful' => 0,
         ],
-        'hits' => [
-            'total' => 2,
+        'hits'         => [
+            'total'     => 2,
             'max_score' => 0.7768564,
-            'hits' => [
+            'hits'      => [
                 [
-                    '_index' => 'my_custom_index_name',
-                    '_type' => 'test_table',
-                    '_score' => 0.7768564,
+                    '_index'  => 'my_custom_index_name',
+                    '_type'   => 'test_table',
+                    '_score'  => 0.7768564,
                     '_source' => [
                         'name' => 'foo',
-                    ]
+                    ],
                 ],
                 [
-                    '_index' => 'my_custom_index_name',
-                    '_type' => 'test_table',
-                    '_score' => 0.5634561,
+                    '_index'  => 'my_custom_index_name',
+                    '_type'   => 'test_table',
+                    '_score'  => 0.5634561,
                     '_source' => [
                         'name' => 'bar',
-                    ]
+                    ],
                 ],
             ],
         ],
@@ -43,18 +43,18 @@ function successfulResults()
 function unsuccessfulResults()
 {
     return [
-        'took' => 4,
-        'timed_out' => false,
-        '_shards' => [
-            'total' => 5,
-            'successful' => 5,
+        'took'         => 4,
+        'timed_out'    => false,
+        '_shards'      => [
+            'total'        => 5,
+            'successful'   => 5,
             'unsuccessful' => 0,
         ],
-        'hits' => [
-            'total' => 0,
+        'hits'         => [
+            'total'     => 0,
             'max_score' => null,
-            'hits' => [],
+            'hits'      => [],
         ],
         'aggregations' => [],
     ];
-}
\ No newline at end of file
+}