--- /dev/null
+<?php
+/*
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace Doctrine\Common\Persistence\Mapping\Driver;
+
+/**
+ * Locates the file that contains the metadata information for a given class name.
+ *
+ * This behavior is independent of the actual content of the file. It just detects
+ * the file which is responsible for the given class name.
+ *
+ * @author Benjamin Eberlei <kontakt@beberlei.de>
+ * @author Johannes M. Schmitt <schmittjoh@gmail.com>
+ */
+interface FileLocator
+{
+ /**
+ * Locates mapping file for the given class name.
+ *
+ * @param string $className
+ *
+ * @return string
+ */
+ public function findMappingFile($className);
+
+ /**
+ * Gets all class names that are found with this file locator.
+ *
+ * @param string $globalBasename Passed to allow excluding the basename.
+ *
+ * @return array
+ */
+ public function getAllClassNames($globalBasename);
+
+ /**
+ * Checks if a file can be found for this class name.
+ *
+ * @param string $className
+ *
+ * @return bool
+ */
+ public function fileExists($className);
+
+ /**
+ * Gets all the paths that this file locator looks for mapping files.
+ *
+ * @return array
+ */
+ public function getPaths();
+
+ /**
+ * Gets the file extension that mapping files are suffixed with.
+ *
+ * @return string
+ */
+ public function getFileExtension();
+}