| 1 | When combining multiple `--contains` and `--no-contains` filters, only |
| 2 | references that contain at least one of the `--contains` commits and |
| 3 | contain none of the `--no-contains` commits are shown. |
| 4 | |
| 5 | When combining multiple `--merged` and `--no-merged` filters, only |
| 6 | references that are reachable from at least one of the `--merged` |
| 7 | commits and from none of the `--no-merged` commits are shown. |