all-config-downstream - Get set of all downstream branches
GET /projects/{project-name}/branches/{branch-id}/automerger~all-config-downstream
Returns a list of branch names that are downstream, including ones more than one hop away.
GET /projects/{project-name}/branches/{branch-id}/automerger~all-config-downstream HTTP/1.0
HTTP/1.1 200 OK Content-Disposition: attachment Content-Type: application/json;charset=UTF-8 )]}' [ "master", "branch_two" ]