*/
abstract public function unserializeContent( $blob, $format = null );
+ /**
+ * Apply import transformation (per default, returns $blob unchanged).
+ * This gives subclasses an opportunity to transform data blobs on import.
+ *
+ * @singe 1.24
+ *
+ * @param string $blob
+ * @param string|null $format
+ *
+ * @return string
+ */
+ public function importTransform( $blob, $format = null ) {
+ return $blob;
+ }
+
/**
* Creates an empty Content object of the type supported by this
* ContentHandler.