public void setFontSize(Integer fontSize) {
        this.fontSize = fontSize;
    }
Specify the Font size in pixels. Must be a positive integer. Set to 0, or leave blank, for automatic font size.
Within your job settings, all of your DVB-Sub settings must be identical.

@param fontSize
       Specify the Font size in pixels. Must be a positive integer. Set to 0, or leave blank, for automatic font
       size. Within your job settings, all of your DVB-Sub settings must be identical.
aws-java-sdk-mediaconvert/src/main/java/com/amazonaws/services/mediaconvert/model/DvbSubDestinationSettings.java