diff --git a/composer.lock b/composer.lock
index 4fa7f9c1..a4575e7f 100644
--- a/composer.lock
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-                "php": ">=5.3.3"
+                "php": "^5.3.3 || ^7.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.8"
+                "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.0"
             },
             "type": "library",
             "extra": {
@@ -1317,7 +1160,7 @@
             "keywords": [
                 "diff"
             ],
-            "time": "2015-12-08 07:14:41"
+            "time": "2017-05-22T07:24:03+00:00"
         },
         {
             "name": "sebastian/environment",
@@ -1367,7 +1210,7 @@
                 "environment",
                 "hhvm"
             ],
-            "time": "2016-08-18 05:49:44"
+            "time": "2016-08-18T05:49:44+00:00"
         },
         {
             "name": "sebastian/exporter",
@@ -1434,7 +1277,7 @@
                 "export",
                 "exporter"
             ],
-            "time": "2016-06-17 09:04:28"
+            "time": "2016-06-17T09:04:28+00:00"
         },
         {
             "name": "sebastian/global-state",
@@ -1485,20 +1328,20 @@
             "keywords": [
                 "global state"
             ],
-            "time": "2015-10-12 03:26:01"
+            "time": "2015-10-12T03:26:01+00:00"
         },
         {
             "name": "sebastian/recursion-context",
-            "version": "1.0.2",
+            "version": "1.0.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/recursion-context.git",
-                "reference": "913401df809e99e4f47b27cdd781f4a258d58791"
+                "reference": "b19cc3298482a335a95f3016d2f8a6950f0fbcd7"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/recursion-context/zipball/913401df809e99e4f47b27cdd781f4a258d58791",
-                "reference": "913401df809e99e4f47b27cdd781f4a258d58791",
+                "url": "https://api.github.com/repos/sebastianbergmann/recursion-context/zipball/b19cc3298482a335a95f3016d2f8a6950f0fbcd7",
+                "reference": "b19cc3298482a335a95f3016d2f8a6950f0fbcd7",
                 "shasum": ""
             },
             "require": {
@@ -1538,7 +1381,7 @@
             ],
             "description": "Provides functionality to recursively process PHP variables",
             "homepage": "http://www.github.com/sebastianbergmann/recursion-context",
-            "time": "2015-11-11 19:50:13"
+            "time": "2016-10-03T07:41:43+00:00"
         },
         {
             "name": "sebastian/version",
@@ -1573,68 +1416,89 @@
             ],
             "description": "Library that helps with managing the version number of Git-hosted PHP projects",
             "homepage": "https://github.com/sebastianbergmann/version",
-            "time": "2015-06-21 13:59:46"
+            "time": "2015-06-21T13:59:46+00:00"
+        },
+        {
+            "name": "sirbrillig/phpcs-variable-analysis",
+            "version": "v2.10.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sirbrillig/phpcs-variable-analysis.git",
+                "reference": "0775e0c683badad52c03b11c2cd86a9fdecb937a"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sirbrillig/phpcs-variable-analysis/zipball/0775e0c683badad52c03b11c2cd86a9fdecb937a",
+                "reference": "0775e0c683badad52c03b11c2cd86a9fdecb937a",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.4.0",
+                "squizlabs/php_codesniffer": "^3.5"
+            },
+            "require-dev": {
+                "dealerdirect/phpcodesniffer-composer-installer": "^0.7.0",
+                "limedeck/phpunit-detailed-printer": "^3.1 || ^4.0 || ^5.0",
+                "phpstan/phpstan": "^0.11.8",
+                "phpunit/phpunit": "^5.0 || ^6.5 || ^7.0 || ^8.0",
+                "sirbrillig/phpcs-import-detection": "^1.1"
+            },
+            "type": "phpcodesniffer-standard",
+            "autoload": {
+                "psr-4": {
+                    "VariableAnalysis\\": "VariableAnalysis/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-2-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sam Graham",
+                    "email": "php-codesniffer-variableanalysis@illusori.co.uk"
+                },
+                {
+                    "name": "Payton Swick",
+                    "email": "payton@foolord.com"
+                }
+            ],
+            "description": "A PHPCS sniff to detect problems with variables.",
+            "time": "2021-01-08T16:31:05+00:00"
         },
         {
             "name": "squizlabs/php_codesniffer",
-            "version": "2.7.0",
+            "version": "3.5.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/squizlabs/PHP_CodeSniffer.git",
-                "reference": "571e27b6348e5b3a637b2abc82ac0d01e6d7bbed"
+                "reference": "9d583721a7157ee997f235f327de038e7ea6dac4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/squizlabs/PHP_CodeSniffer/zipball/571e27b6348e5b3a637b2abc82ac0d01e6d7bbed",
-                "reference": "571e27b6348e5b3a637b2abc82ac0d01e6d7bbed",
+                "url": "https://api.github.com/repos/squizlabs/PHP_CodeSniffer/zipball/9d583721a7157ee997f235f327de038e7ea6dac4",
+                "reference": "9d583721a7157ee997f235f327de038e7ea6dac4",
                 "shasum": ""
             },
             "require": {
                 "ext-simplexml": "*",
                 "ext-tokenizer": "*",
                 "ext-xmlwriter": "*",
-                "php": ">=5.1.2"
+                "php": ">=5.4.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.0"
+                "phpunit/phpunit": "^4.0 || ^5.0 || ^6.0 || ^7.0"
             },
             "bin": [
-                "scripts/phpcs",
-                "scripts/phpcbf"
+                "bin/phpcs",
+                "bin/phpcbf"
             ],
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.x-dev"
+                    "dev-master": "3.x-dev"
                 }
             },
-            "autoload": {
-                "classmap": [
-                    "CodeSniffer.php",
-                    "CodeSniffer/CLI.php",
-                    "CodeSniffer/Exception.php",
-                    "CodeSniffer/File.php",
-                    "CodeSniffer/Fixer.php",
-                    "CodeSniffer/Report.php",
-                    "CodeSniffer/Reporting.php",
-                    "CodeSniffer/Sniff.php",
-                    "CodeSniffer/Tokens.php",
-                    "CodeSniffer/Reports/",
-                    "CodeSniffer/Tokenizers/",
-                    "CodeSniffer/DocGenerators/",
-                    "CodeSniffer/Standards/AbstractPatternSniff.php",
-                    "CodeSniffer/Standards/AbstractScopeSniff.php",
-                    "CodeSniffer/Standards/AbstractVariableSniff.php",
-                    "CodeSniffer/Standards/IncorrectPatternException.php",
-                    "CodeSniffer/Standards/Generic/Sniffs/",
-                    "CodeSniffer/Standards/MySource/Sniffs/",
-                    "CodeSniffer/Standards/PEAR/Sniffs/",
-                    "CodeSniffer/Standards/PSR1/Sniffs/",
-                    "CodeSniffer/Standards/PSR2/Sniffs/",
-                    "CodeSniffer/Standards/Squiz/Sniffs/",
-                    "CodeSniffer/Standards/Zend/Sniffs/"
-                ]
-            },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
                 "BSD-3-Clause"
@@ -1646,36 +1510,117 @@
                 }
             ],
             "description": "PHP_CodeSniffer tokenizes PHP, JavaScript and CSS files and detects violations of a defined set of coding standards.",
-            "homepage": "http://www.squizlabs.com/php-codesniffer",
+            "homepage": "https://github.com/squizlabs/PHP_CodeSniffer",
             "keywords": [
                 "phpcs",
                 "standards"
             ],
-            "time": "2016-09-01 23:53:02"
+            "time": "2020-10-23T02:01:07+00:00"
         },
         {
-            "name": "symfony/yaml",
-            "version": "v3.1.6",
+            "name": "symfony/polyfill-ctype",
+            "version": "v1.22.1",
             "source": {
                 "type": "git",
-                "url": "https://github.com/symfony/yaml.git",
-                "reference": "7ff51b06c6c3d5cc6686df69004a42c69df09e27"
+                "url": "https://github.com/symfony/polyfill-ctype.git",
+                "reference": "c6c942b1ac76c82448322025e084cadc56048b4e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/yaml/zipball/7ff51b06c6c3d5cc6686df69004a42c69df09e27",
-                "reference": "7ff51b06c6c3d5cc6686df69004a42c69df09e27",
+                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/c6c942b1ac76c82448322025e084cadc56048b4e",
+                "reference": "c6c942b1ac76c82448322025e084cadc56048b4e",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.5.9"
+                "php": ">=7.1"
+            },
+            "suggest": {
+                "ext-ctype": "For best performance"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.1-dev"
+                    "dev-main": "1.22-dev"
+                },
+                "thanks": {
+                    "name": "symfony/polyfill",
+                    "url": "https://github.com/symfony/polyfill"
                 }
             },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Polyfill\\Ctype\\": ""
+                },
+                "files": [
+                    "bootstrap.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Gert de Pagter",
+                    "email": "BackEndTea@gmail.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill for ctype functions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "ctype",
+                "polyfill",
+                "portable"
+            ],
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2021-01-07T16:49:33+00:00"
+        },
+        {
+            "name": "symfony/yaml",
+            "version": "v3.4.47",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/yaml.git",
+                "reference": "88289caa3c166321883f67fe5130188ebbb47094"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/88289caa3c166321883f67fe5130188ebbb47094",
+                "reference": "88289caa3c166321883f67fe5130188ebbb47094",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.5.9|>=7.0.8",
+                "symfony/polyfill-ctype": "~1.8"
+            },
+            "conflict": {
+                "symfony/console": "<3.4"
+            },
+            "require-dev": {
+                "symfony/console": "~3.4|~4.0"
+            },
+            "suggest": {
+                "symfony/console": "For validating YAML files using the lint command"
+            },
+            "type": "library",
             "autoload": {
                 "psr-4": {
                     "Symfony\\Component\\Yaml\\": ""
@@ -1700,35 +1645,48 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
-            "time": "2016-10-24 18:41:13"
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-10-24T10:57:07+00:00"
         },
         {
             "name": "webmozart/assert",
-            "version": "1.1.0",
+            "version": "1.9.1",
             "source": {
                 "type": "git",
-                "url": "https://github.com/webmozart/assert.git",
-                "reference": "bb2d123231c095735130cc8f6d31385a44c7b308"
+                "url": "https://github.com/webmozarts/assert.git",
+                "reference": "bafc69caeb4d49c39fd0779086c03a3738cbb389"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/webmozart/assert/zipball/bb2d123231c095735130cc8f6d31385a44c7b308",
-                "reference": "bb2d123231c095735130cc8f6d31385a44c7b308",
+                "url": "https://api.github.com/repos/webmozarts/assert/zipball/bafc69caeb4d49c39fd0779086c03a3738cbb389",
+                "reference": "bafc69caeb4d49c39fd0779086c03a3738cbb389",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.3.3|^7.0"
+                "php": "^5.3.3 || ^7.0 || ^8.0",
+                "symfony/polyfill-ctype": "^1.8"
+            },
+            "conflict": {
+                "phpstan/phpstan": "<0.12.20",
+                "vimeo/psalm": "<3.9.1"
             },
             "require-dev": {
-                "phpunit/phpunit": "^4.6",
-                "sebastian/version": "^1.0.1"
+                "phpunit/phpunit": "^4.8.36 || ^7.5.13"
             },
             "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.2-dev"
-                }
-            },
             "autoload": {
                 "psr-4": {
                     "Webmozart\\Assert\\": "src/"
@@ -1750,7 +1708,7 @@
                 "check",
                 "validate"
             ],
-            "time": "2016-08-09 15:02:57"
+            "time": "2020-07-08T17:02:28+00:00"
         }
     ],
     "aliases": [],
@@ -1759,5 +1717,6 @@
     "prefer-stable": true,
     "prefer-lowest": false,
     "platform": [],
-    "platform-dev": []
+    "platform-dev": [],
+    "plugin-api-version": "1.1.0"
 }
diff --git a/src/NestedSetInterface.php b/src/NestedSetInterface.php
index 8b5d515f..87dcdf7d 100644
--- a/src/NestedSetInterface.php
+++ b/src/NestedSetInterface.php
@@ -80,11 +80,13 @@ public function deleteSubTree(Node $node);
    *   The node key to find descendants for.
    * @param int $depth
    *   (optional) A depth limit. Defaults to 0, no limit.
+   * @param int $start
+   *   (optional) A starting depth. Default of 1 excludes the node itself.
    *
    * @return array
-   *    The nested array of descendants.
+   *   The nested array of descendants.
    */
-  public function findDescendants(NodeKey $nodeKey, $depth = 0);
+  public function findDescendants(NodeKey $nodeKey, $depth = 0, $start = 1);
 
   /**
    * Finds all immediate children of a node.
@@ -126,7 +128,7 @@ public function findParent(NodeKey $nodeKey);
    *   The node key.
    *
    * @return \PNX\NestedSet\Node
-   *    The node.
+   *   The node.
    */
   public function getNode(NodeKey $nodeKey);
 
diff --git a/src/Storage/DbalNestedSet.php b/src/Storage/DbalNestedSet.php
index c3a697ef..72780766 100644
--- a/src/Storage/DbalNestedSet.php
+++ b/src/Storage/DbalNestedSet.php
@@ -2,7 +2,6 @@
 
 namespace PNX\NestedSet\Storage;
 
-use Exception;
 use PNX\NestedSet\NestedSetInterface;
 use PNX\NestedSet\Node;
 use PNX\NestedSet\NodeKey;
@@ -85,7 +84,7 @@ protected function insertNodeAtPostion($newLeftPosition, $depth, NodeKey $nodeKe
 
       $this->connection->commit();
     }
-    catch (Exception $e) {
+    catch (\Exception $e) {
       $this->connection->rollBack();
       throw $e;
     } finally {
@@ -98,7 +97,7 @@ protected function insertNodeAtPostion($newLeftPosition, $depth, NodeKey $nodeKe
   /**
    * Inserts a new node by its parameters.
    *
-   * @param NodeKey $nodeKey
+   * @param \PNX\NestedSet\NodeKey $nodeKey
    *   The node key.
    * @param int $left
    *   The left position.
@@ -129,7 +128,7 @@ protected function doInsertNode(NodeKey $nodeKey, $left, $right, $depth) {
   /**
    * {@inheritdoc}
    */
-  public function findDescendants(NodeKey $nodeKey, $depth = 0) {
+  public function findDescendants(NodeKey $nodeKey, $depth = 0, $start = 1) {
     $descendants = [];
     $query = $this->connection->createQueryBuilder();
     $query->select('child.id', 'child.revision_id', 'child.left_pos', 'child.right_pos', 'child.depth')
@@ -142,9 +141,13 @@ public function findDescendants(NodeKey $nodeKey, $depth = 0) {
       ->orderBy('child.left_pos', 'ASC')
       ->setParameter(':id', $nodeKey->getId())
       ->setParameter(':revision_id', $nodeKey->getRevisionId());
+    if ($start > 0) {
+      $query->andWhere('child.depth >= :start_depth + parent.depth')
+        ->setParameter(':start_depth', $start);
+    }
     if ($depth > 0) {
-      $query->andWhere('child.depth <= parent.depth + :depth')
-        ->setParameter(':depth', $depth);
+      $query->andWhere('child.depth <= :depth + parent.depth')
+        ->setParameter(':depth', $start + $depth - 1);
     }
     $stmt = $query->execute();
     while ($row = $stmt->fetch()) {
@@ -259,7 +262,7 @@ public function deleteNode(Node $node) {
       $this->connection->commit();
 
     }
-    catch (Exception $e) {
+    catch (\Exception $e) {
       $this->connection->rollBack();
       throw $e;
     } finally {
@@ -296,7 +299,7 @@ public function deleteSubTree(Node $node) {
 
       $this->connection->commit();
     }
-    catch (Exception $e) {
+    catch (\Exception $e) {
       $this->connection->rollBack();
       throw $e;
     } finally {
@@ -426,7 +429,7 @@ protected function moveMultipleSubTreesToPosition($newLeftPosition, array $nodes
       );
       $this->connection->commit();
     }
-    catch (Exception $e) {
+    catch (\Exception $e) {
       $this->connection->rollBack();
       throw $e;
     } finally {
diff --git a/tests/Functional/DbalNestedSetTest.php b/tests/Functional/DbalNestedSetTest.php
index a078d1ba..2a4ee472 100644
--- a/tests/Functional/DbalNestedSetTest.php
+++ b/tests/Functional/DbalNestedSetTest.php
@@ -2,7 +2,6 @@
 
 namespace PNX\NestedSet\Tests\Functional;
 
-use Console_Table;
 use Doctrine\DBAL\Configuration;
 use Doctrine\DBAL\DriverManager;
 use PNX\NestedSet\Node;
@@ -20,7 +19,7 @@ class DbalNestedSetTest extends \PHPUnit_Framework_TestCase {
   /**
    * The nested set under test.
    *
-   * @var DbalNestedSet
+   * @var \PNX\NestedSet\Storage\DbalNestedSet
    */
   protected $nestedSet;
 
@@ -70,7 +69,7 @@ public function testFindDescendants() {
 
     $this->assertCount(2, $descendants);
 
-    /** @var Node $child1 */
+    /** @var \PNX\NestedSet\Node $child1 */
     $child1 = $descendants[0];
 
     $this->assertEquals(10, $child1->getId());
@@ -78,7 +77,7 @@ public function testFindDescendants() {
     $this->assertEquals(12, $child1->getLeft());
     $this->assertEquals(13, $child1->getRight());
 
-    /** @var Node $child2 */
+    /** @var \PNX\NestedSet\Node $child2 */
     $child2 = $descendants[1];
 
     $this->assertEquals(11, $child2->getId());
@@ -88,6 +87,53 @@ public function testFindDescendants() {
 
   }
 
+  /**
+   * Tests finding descendants at depths.
+   */
+  public function testFindDescendantsAtDepths() {
+    $nodeKey = new NodeKey(3, 1);
+
+    // Start of 1 and depth of 1 should emulate findChildren().
+    $descendants = $this->nestedSet->findDescendants($nodeKey, 1, 1);
+    $compare = $this->nestedSet->findChildren($nodeKey);
+    $this->assertCount(3, $descendants);
+    $this->assertCount(count($compare), $descendants);
+    foreach ($descendants as $key => $node) {
+      $this->assertSame($node->getId(), $compare[$key]->getId());
+    }
+
+    // Start of 1 and depth of 2 should emulate findDescendants().
+    $descendants = $this->nestedSet->findDescendants($nodeKey, 2, 1);
+    $compare = $this->nestedSet->findDescendants($nodeKey);
+    $this->assertCount(5, $descendants);
+    $this->assertCount(count($compare), $descendants);
+    foreach ($descendants as $key => $node) {
+      $this->assertSame($node->getId(), $compare[$key]->getId());
+    }
+
+    $nodeKey = new NodeKey(1, 1);
+
+    // Start at depth 2 (two levels below 0) and get 1 deep.
+    $descendants = $this->nestedSet->findDescendants($nodeKey, 1, 2);
+    $this->assertCount(4, $descendants);
+
+    /** @var \PNX\NestedSet\Node $child1 */
+    $child1 = $descendants[0];
+    $this->assertEquals(4, $child1->getId());
+
+    /** @var \PNX\NestedSet\Node $child2 */
+    $child2 = $descendants[1];
+    $this->assertEquals(7, $child2->getId());
+
+    /** @var \PNX\NestedSet\Node $child3 */
+    $child3 = $descendants[2];
+    $this->assertEquals(8, $child3->getId());
+
+    /** @var \PNX\NestedSet\Node $child4 */
+    $child4 = $descendants[3];
+    $this->assertEquals(9, $child4->getId());
+  }
+
   /**
    * Tests finding children.
    */
@@ -100,7 +146,7 @@ public function testFindChildren() {
 
     $this->assertCount(3, $descendants);
 
-    /** @var Node $child1 */
+    /** @var \PNX\NestedSet\Node $child1 */
     $child1 = $descendants[0];
 
     $this->assertEquals(7, $child1->getId());
@@ -109,7 +155,7 @@ public function testFindChildren() {
     $this->assertEquals(16, $child1->getRight());
     $this->assertEquals(2, $child1->getDepth());
 
-    /** @var Node $child2 */
+    /** @var \PNX\NestedSet\Node $child2 */
     $child2 = $descendants[1];
 
     $this->assertEquals(8, $child2->getId());
@@ -118,7 +164,7 @@ public function testFindChildren() {
     $this->assertEquals(18, $child2->getRight());
     $this->assertEquals(2, $child2->getDepth());
 
-    /** @var Node $child3 */
+    /** @var \PNX\NestedSet\Node $child3 */
     $child3 = $descendants[2];
 
     $this->assertEquals(9, $child3->getId());
@@ -140,7 +186,7 @@ public function testFindAncestors() {
 
     $this->assertCount(3, $ancestors);
 
-    /* @var Node $parent */
+    /** @var \PNX\NestedSet\Node $parent */
     $parent = $ancestors[1];
 
     $this->assertEquals(3, $parent->getId());
@@ -148,7 +194,7 @@ public function testFindAncestors() {
     $this->assertEquals(10, $parent->getLeft());
     $this->assertEquals(21, $parent->getRight());
 
-    /* @var Node $grandparent */
+    /** @var \PNX\NestedSet\Node $grandparent */
     $grandparent = $ancestors[0];
 
     $this->assertEquals(1, $grandparent->getId());
@@ -616,6 +662,23 @@ public function testGetTree() {
 
   /**
    * Loads the test data.
+   *
+   *                     (1)
+   *                    1 | 22
+   *                      |
+   *             ———————————————————
+   *            (2)               (3)
+   *           2 | 9            10 | 21
+   *             |                 |
+   *             |                 |
+   *     —————————          ————————————————————
+   *    (4)                (7)       (8)      (9)
+   *   3 | 8             11 | 16    17 18    19 20
+   *     |                  |
+   *     |                  |
+   *  ————————         ———————————
+   * (5)    (6)      (10)       (11)
+   * 4 5    6 7     12  13     14  15
    */
   protected function loadTestData() {
     $this->connection->insert($this->tableName,
@@ -715,11 +778,11 @@ protected function loadTestData() {
    * @param array $tree
    *   The tree to print.
    */
-  public function printTree($tree) {
-    $table = new Console_Table(CONSOLE_TABLE_ALIGN_RIGHT);
+  public function printTree(array $tree) {
+    $table = new \Console_Table(CONSOLE_TABLE_ALIGN_RIGHT);
     $table->setHeaders(['ID', 'Rev', 'Left', 'Right', 'Depth']);
     $table->setAlign(0, CONSOLE_TABLE_ALIGN_LEFT);
-    /** @var Node $node */
+    /** @var \PNX\NestedSet\Node $node */
     foreach ($tree as $node) {
       $indent = str_repeat('-', $node->getDepth());
       $table->addRow([