- * The source value is an array of two values:
- * - source: The source path or URI, e.g. '/path/to/foo.txt' or
- * 'public://bar.txt'.
- * - destination: The destination path or URI, e.g. '/path/to/bar.txt' or
- * 'public://foo.txt'.
+ * The source value is an indexed array of two values:
+ * - The source path or URI, e.g. '/path/to/foo.txt' or 'public://bar.txt'.
+ * - The destination URI, e.g. 'public://foo.txt'.