OPERATION_PIPE_EOF, /* enqueued when we see EOF on the per-home reference pipes */
OPERATION_DEACTIVATE_FORCE, /* enqueued on hard $HOME unplug */
OPERATION_IMMEDIATE, /* this is never enqueued, it's just a marker we immediately started executing an operation without enqueuing anything first. */
OPERATION_PIPE_EOF, /* enqueued when we see EOF on the per-home reference pipes */
OPERATION_DEACTIVATE_FORCE, /* enqueued on hard $HOME unplug */
OPERATION_IMMEDIATE, /* this is never enqueued, it's just a marker we immediately started executing an operation without enqueuing anything first. */