public void setStrength(String strength) {
        this.strength = strength;
    }
Optional. Ignore this setting unless Nagra support directs you to specify a value. When you don't specify a value
here, the Nagra NexGuard library uses its default value.

@param strength
       Optional. Ignore this setting unless Nagra support directs you to specify a value. When you don't specify
       a value here, the Nagra NexGuard library uses its default value.
@see WatermarkingStrength
aws-java-sdk-mediaconvert/src/main/java/com/amazonaws/services/mediaconvert/model/NexGuardFileMarkerSettings.java