`sig
type args
type argv = {
result : Gobject.g_value;
nargs : int;
args : Gobject.Closure.args;
}
val create : (Gobject.Closure.argv -> unit) -> Gobject.g_closure
val nth : Gobject.Closure.argv -> pos:int -> Gobject.g_value
val result : Gobject.Closure.argv -> Gobject.g_value
val get_result_type : Gobject.Closure.argv -> Gobject.g_type
val get_type : Gobject.Closure.argv -> pos:int -> Gobject.g_type
val get : Gobject.Closure.argv -> pos:int -> Gobject.data_get
val set_result : Gobject.Closure.argv -> 'a Gobject.data_set -> unit
val get_args : Gobject.Closure.argv -> Gobject.data_get list
val get_pointer : Gobject.Closure.argv -> pos:int -> Gpointer.boxed
val get_nativeint : Gobject.Closure.argv -> pos:int -> nativeint
val get_int32 : Gobject.Closure.argv -> pos:int -> int32
end`