SD_BUS_VTABLE_PROPERTY_CONST = 1ULL << 4,
SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE = 1ULL << 5,
SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION = 1ULL << 6,
SD_BUS_VTABLE_PROPERTY_CONST = 1ULL << 4,
SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE = 1ULL << 5,
SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION = 1ULL << 6,