Reorganized iterator classes.

src/Manager/Toolbar_Manager.php

@@ -3,9 +3,9 @@ declare( strict_types=1 );
 
 namespace Rarst\Laps\Manager;
 
-use Rarst\Laps\Record\Recursive_Record_Iterator;
+use Rarst\Laps\Record\Iterator\Recursive_Record_Iterator;
 use Rarst\Laps\Plugin;
-use Rarst\Laps\Record\Timeline_Iterator;
+use Rarst\Laps\Record\Iterator\Timeline_Iterator;
 
 /**
  * Implements toolbar menu and visualization.

src/Record/Iterator/Recursive_Record_Iterator.php

@@ -1,7 +1,9 @@
 <?php
 declare( strict_types=1 );
 
-namespace Rarst\Laps\Record;
+namespace Rarst\Laps\Record\Iterator;
+
+use Rarst\Laps\Record\Record_Interface;
 
 /**
  * Processes records, recursively bumping overlapping ones to children.

src/Record/Iterator/Timeline_Iterator.php

@@ -1,7 +1,11 @@
 <?php
 declare( strict_types=1 );
 
-namespace Rarst\Laps\Record;
+namespace Rarst\Laps\Record\Iterator;
+
+use Rarst\Laps\Record\Record;
+use Rarst\Laps\Record\Record_Interface;
+use Rarst\Laps\Record\Iterator\Recursive_Record_Iterator;
 
 /**
  * Processes records into sets for display by template.