Undocumented predicates
The following predicates are exported, but not or incorrectly documented.
-  queue_engine(Arg1)
 
-  init_queue(Arg1, Arg2)
 
-  release_queue(Arg1)
 
-  write_script_file(Arg1, Arg2, Arg3, Arg4)
 
-  write_script_file(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7)
 
-  run_execs_in_queue(Arg1, Arg2, Arg3, Arg4)
 
-  flush_queue_recursive(Arg1, Arg2)