`val available : unit -> string list`
`val find : string -> bool`
`val set : string -> bool -> unit`
`val deadcode : unit -> bool`
`val globaldeadcode : unit -> bool`
`val optcall : unit -> bool`
`val shortvar : unit -> bool`
`val compact : unit -> bool`
`val inline : unit -> bool`
`val share_constant : unit -> bool`
`val staticeval : unit -> bool`
`val effects : unit -> bool`
`val genprim : unit -> bool`
`val strictmode : unit -> bool`
`val compact_vardecl : unit -> bool`
`val debugger : unit -> bool`
`val pretty : unit -> bool`
`val stable_var : unit -> bool`
`val debuginfo : unit -> bool`
`val excwrap : unit -> bool`
`val improved_stacktrace : unit -> bool`
`val inline_callgen : unit -> bool`
`val safe_string : unit -> bool`
`val use_js_string : unit -> bool`
`val check_magic : unit -> bool`
`val header : unit -> bool`
`val auto_link : unit -> bool`
`val es6 : unit -> bool`
`val load_shapes_auto : unit -> bool`
`val enable : string -> unit`
`val disable : string -> unit`