public void setFileExtension(String fileExtension) {
        this.fileExtension = fileExtension;
    }
<p>
Specify a file extension. It will override the default file extension
</p>

@param fileExtension
       Specify a file extension. It will override the default file extension
aws-java-sdk-kinesis/src/main/java/com/amazonaws/services/kinesisfirehose/model/ExtendedS3DestinationUpdate.java