public void setCbetSourceId(String cbetSourceId) {
        this.cbetSourceId = cbetSourceId;
    }
Use the CSID that Nielsen provides to you. This CBET source ID should be unique to your Nielsen account but
common to all of your output assets that have CBET watermarking. Required when you choose a value for the setting
Watermark types that includes CBET.

@param cbetSourceId
       Use the CSID that Nielsen provides to you. This CBET source ID should be unique to your Nielsen account
       but common to all of your output assets that have CBET watermarking. Required when you choose a value for
       the setting Watermark types that includes CBET.
aws-java-sdk-mediaconvert/src/main/java/com/amazonaws/services/mediaconvert/model/NielsenNonLinearWatermarkSettings.java