--- /dev/null
+<?php
+/*
+ * This file is part of the PHPUnit_MockObject package.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Builder interface for unique identifiers.
+ *
+ * Defines the interface for recording unique identifiers. The identifiers
+ * can be used to define the invocation order of expectations. The expectation
+ * is recorded using id() and then defined in order using
+ * PHPUnit_Framework_MockObject_Builder_Match::after().
+ *
+ * @since Interface available since Release 1.0.0
+ */
+interface PHPUnit_Framework_MockObject_Builder_Identity
+{
+ /**
+ * Sets the identification of the expectation to $id.
+ *
+ * @note The identifier is unique per mock object.
+ * @param string $id Unique identifiation of expectation.
+ */
+ public function id($id);
+}