public Set<Feature> getFeatures() {
    return Collections.unmodifiableSet(this.features);
  }
Convert a byte array into a text representation.

@param o The byte array to convert to text
@return A JsonNode with the binary data encoded
@throws SerDeException The struct cannot be parsed
serde/src/java/org/apache/hadoop/hive/serde2/json/HiveJsonWriter.java