--- /dev/null
+<?php
+
+namespace Symfony\Component\Console\CommandLoader;
+
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Exception\CommandNotFoundException;
+
+/**
+ * @author Robin Chalas <robin.chalas@gmail.com>
+ */
+interface CommandLoaderInterface
+{
+ /**
+ * Loads a command.
+ *
+ * @param string $name
+ *
+ * @return Command
+ *
+ * @throws CommandNotFoundException
+ */
+ public function get($name);
+
+ /**
+ * Checks if a command exists.
+ *
+ * @param string $name
+ *
+ * @return bool
+ */
+ public function has($name);
+
+ /**
+ * @return string[] All registered command names
+ */
+ public function getNames();
+}