public T getDown() {
        return down;
    }
Status Trigger Delta

@param down Status Trigger Delta Down field shall control the negative change of a measured
            quantity that triggers publication of a Sensor Status message.
@param up   Status Trigger Delta Up field shall control the positive change of a measured
            quantity that triggers publication of a Sensor Status message.
mesh/src/main/java/no/nordicsemi/android/mesh/sensorutils/StatusTriggerDelta.java