public String getSegmentPrefix() {
        return this.segmentPrefix;
    }
An optional custom string that is prepended to the name of each segment. If not specified, it defaults to the
ChannelId.

@return An optional custom string that is prepended to the name of each segment. If not specified, it defaults to
        the ChannelId.
aws-java-sdk-mediapackage/src/main/java/com/amazonaws/services/mediapackage/model/CmafPackage.java