diff --git a/src/parser/aast/api/AASTNodeList.php b/src/parser/aast/api/AASTNodeList.php
--- a/src/parser/aast/api/AASTNodeList.php
+++ b/src/parser/aast/api/AASTNodeList.php
@@ -1,62 +1,21 @@
 <?php
 
-final class AASTNodeList implements Iterator, Countable {
+final class AASTNodeList implements Countable, Iterator {
 
   protected $list;
   protected $tree;
   protected $ids;
   protected $pos;
 
-  public function count() {
-    return count($this->ids);
-  }
-
-  public function current() {
-    return $this->list[$this->key()];
-  }
-
-  public function rewind() {
-    $this->pos = 0;
-  }
-
-  public function valid() {
-    return $this->pos < count($this->ids);
-  }
-
-  public function next() {
-    $this->pos++;
-  }
-
-  public function key() {
-    return $this->ids[$this->pos];
-  }
-
-  public static function newFromTreeAndNodes(AASTTree $tree, array $nodes) {
-    assert_instances_of($nodes, 'AASTNode');
-    $obj = new AASTNodeList();
-    $obj->tree = $tree;
-    $obj->list = $nodes;
-    $obj->ids  = array_keys($nodes);
-    return $obj;
-  }
-
-  public static function newFromTree(AASTTree $tree) {
-    $obj = new AASTNodeList();
-    $obj->tree = $tree;
-    $obj->list = array(0 => $tree->getRootNode());
-    $obj->ids = array(0 => 0);
-    return $obj;
-  }
-
   protected function __construct() {}
 
   public function getDescription() {
     if (empty($this->list)) {
-      return 'an empty node list';
+      return pht('an empty node list');
     }
 
     $desc = array();
-    $desc[] = 'a list of '.count($this->list).' nodes:';
+    $desc[] = pht('a list of %s nodes:', new PhutilNumber(count($this->list)));
     foreach ($this->list as $node) {
       $desc[] = '  '.$node->getDescription().';';
     }
@@ -64,12 +23,8 @@
     return implode("\n", $desc);
   }
 
-
-
   protected function newList(array $nodes) {
-    return AASTNodeList::newFromTreeAndNodes(
-      $this->tree,
-      $nodes);
+    return AASTNodeList::newFromTreeAndNodes($this->tree, $nodes);
   }
 
   public function selectDescendantsOfType($type_name) {
@@ -107,7 +62,6 @@
     return $this;
   }
 
-
   protected function executeSelectDescendantsOfType($node, $type) {
     $results = array();
     foreach ($node->getChildren() as $id => $child) {
@@ -132,4 +86,52 @@
     return $this->list;
   }
 
+  public static function newFromTreeAndNodes(AASTTree $tree, array $nodes) {
+    assert_instances_of($nodes, 'AASTNode');
+
+    $obj = new AASTNodeList();
+    $obj->tree = $tree;
+    $obj->list = $nodes;
+    $obj->ids  = array_keys($nodes);
+    return $obj;
+  }
+
+  public static function newFromTree(AASTTree $tree) {
+    $obj = new AASTNodeList();
+    $obj->tree = $tree;
+    $obj->list = array(0 => $tree->getRootNode());
+    $obj->ids = array(0 => 0);
+    return $obj;
+  }
+
+
+/* -(  Countable  )---------------------------------------------------------- */
+
+  public function count() {
+    return count($this->ids);
+  }
+
+
+/* -(  Iterator  )----------------------------------------------------------- */
+
+  public function current() {
+    return $this->list[$this->key()];
+  }
+
+  public function key() {
+    return $this->ids[$this->pos];
+  }
+
+  public function next() {
+    $this->pos++;
+  }
+
+  public function rewind() {
+    $this->pos = 0;
+  }
+
+  public function valid() {
+    return $this->pos < count($this->ids);
+  }
+
 }