public void setListBy(String listBy) {
        this.listBy = listBy;
    }
Optional. When you request a list of presets, you can choose to list them alphabetically by NAME or
chronologically by CREATION_DATE. If you don't specify, the service will list them by name.

@param listBy
       Optional. When you request a list of presets, you can choose to list them alphabetically by NAME or
       chronologically by CREATION_DATE. If you don't specify, the service will list them by name.
@see PresetListBy
aws-java-sdk-mediaconvert/src/main/java/com/amazonaws/services/mediaconvert/model/ListPresetsRequest.java