Hal_interfaces.Org_freedesktop_Hal_Device_SystemPowerManagementval interface : OBus_name.interfaceval m_Hibernate : (unit, int32) OBus_member.Method.tval m_Reboot : (unit, int32) OBus_member.Method.tval m_SetPowerSave : (bool, int32) OBus_member.Method.tval m_Shutdown : (unit, int32) OBus_member.Method.tval m_Suspend : (int32, int32) OBus_member.Method.tval m_SuspendHybrid : (int32, int32) OBus_member.Method.ttype 'a members = {m_Hibernate : 'a OBus_object.t -> unit -> int32 Lwt.t;m_Reboot : 'a OBus_object.t -> unit -> int32 Lwt.t;m_SetPowerSave : 'a OBus_object.t -> bool -> int32 Lwt.t;m_Shutdown : 'a OBus_object.t -> unit -> int32 Lwt.t;m_Suspend : 'a OBus_object.t -> int32 -> int32 Lwt.t;m_SuspendHybrid : 'a OBus_object.t -> int32 -> int32 Lwt.t;}val make : 'a members -> 'a OBus_object.interface