@Override
  public Message messageFromObject() {
    NamespaceProperties.Builder builder = NamespaceProperties.newBuilder();
    if (properties != null) {
      for (Map.Entry<String, String> entry : properties.entrySet()) {
        String key = entry.getKey();
        NamespaceProperties.Property.Builder property = NamespaceProperties.Property.newBuilder();
        property.setKey(key);
        property.setValue(entry.getValue());
        builder.addProps(property);
      }
    }
    return builder.build();
  }
Returns The map of uncategorized namespace properties.
hbase-rest/src/main/java/org/apache/hadoop/hbase/rest/model/NamespacesInstanceModel.java