materio-base-d7/sites/all/libraries/mailgun/vendor/composer/autoload_namespaces.php

<?php

// autoload_namespaces.php @generated by Composer

$vendorDir = dirname(dirname(__FILE__));
$baseDir = dirname($vendorDir);

return array(
    'Mailgun' => array($vendorDir . '/mailgun/mailgun-php/src'),
);