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

@param segmentPrefix
       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