fix

Author: dg

src/Forms/Container.php

@@ -248,10 +248,9 @@ public function getCurrentGroup(): ?ControlGroup
 
 	/**
 	 * Adds the specified component to the IContainer.
-	 * @return static
 	 * @throws Nette\InvalidStateException
 	 */
-	public function addComponent(Nette\ComponentModel\IComponent $component, ?string $name, string $insertBefore = null)
+	public function addComponent(Nette\ComponentModel\IComponent $component, ?string $name, string $insertBefore = null): static
 	{
 		parent::addComponent($component, $name, $insertBefore);
 		if ($this->currentGroup !== null) {