[Config] Define TreeBuilder default generic type

Author: alexander-schranz

Definition/Builder/ArrayNodeDefinition.php

@@ -19,7 +19,7 @@
 /**
  * This class provides a fluent interface for defining an array node.
  *
- * @template TParent of NodeParentInterface|null
+ * @template TParent of NodeParentInterface|null = null
  *
  * @extends NodeDefinition<TParent>
  *

Definition/Builder/TreeBuilder.php

@@ -16,7 +16,7 @@
 /**
  * This is the entry class for building a config tree.
  *
- * @template T of 'array'|'variable'|'scalar'|'string'|'boolean'|'integer'|'float'|'enum'
+ * @template T of 'array'|'variable'|'scalar'|'string'|'boolean'|'integer'|'float'|'enum' = 'array'
  *
  * @author Johannes M. Schmitt <schmittjoh@gmail.com>
  */

Definition/Configuration.php

@@ -31,9 +31,12 @@ public function __construct(
     ) {
     }
 
+    /**
+     * @return TreeBuilder<'array'>
+     */
     public function getConfigTreeBuilder(): TreeBuilder
     {
-        $treeBuilder = new TreeBuilder($this->alias);
+        $treeBuilder = new TreeBuilder($this->alias, 'array');
         $file = (new \ReflectionObject($this->subject))->getFileName();
         $loader = new DefinitionFileLoader($treeBuilder, new FileLocator(\dirname($file)), $this->container);
         $configurator = new DefinitionConfigurator($treeBuilder, $loader, $file, $file);

Definition/ConfigurationInterface.php

@@ -22,6 +22,8 @@ interface ConfigurationInterface
 {
     /**
      * Generates the configuration tree builder.
+     *
+     * @return TreeBuilder<'array'>
      */
     public function getConfigTreeBuilder(): TreeBuilder;
 }