--- /dev/null
+<?php
+namespace Robo\Contract;
+
+/**
+ * All Robo tasks should implement this interface.
+ * Task should be configured by chained methods.
+ *
+ * Interface TaskInterface
+ * @package Robo\Contract
+ */
+interface TaskInterface
+{
+ /**
+ * @return \Robo\Result
+ */
+ public function run();
+}