sig
type t
val of_seconds : amount:float -> SFTime.t
val of_milliseconds : amount:int32 -> SFTime.t
val of_microseconds : amount:int64 -> SFTime.t
val asSeconds : SFTime.t -> float
val asMilliseconds : SFTime.t -> int32
val asMicroseconds : SFTime.t -> int64
val add : SFTime.t -> SFTime.t -> SFTime.t
val sub : SFTime.t -> SFTime.t -> SFTime.t
val mul : float -> SFTime.t -> SFTime.t
val mult : SFTime.t -> float -> SFTime.t
val div : SFTime.t -> float -> SFTime.t
val sleep : duration:SFTime.t -> unit
val sleep_sec : duration:float -> unit
val sleep_msec : duration:int32 -> unit
val sleep_musec : duration:int64 -> unit
end