*/
abstract public function getLocalCopyMulti( array $params );
+ /**
+ * Return an HTTP URL to a given file that requires no authentication to use.
+ * The URL may be pre-authenticated (via some token in the URL) and temporary.
+ * This will return null if the backend cannot make an HTTP URL for the file.
+ *
+ * This is useful for key/value stores when using scripts that seek around
+ * large files and those scripts (and the backend) support HTTP Range headers.
+ * Otherwise, one would need to use getLocalReference(), which involves loading
+ * the entire file on to local disk.
+ *
+ * @param $params Array
+ * $params include:
+ * - src : source storage path
+ * @return string|null
+ * @since 1.21
+ */
+ abstract public function getFileHttpUrl( array $params );
+
/**
* Check if a directory exists at a given storage path.
* Backends using key/value stores will check if the path is a