public Set<Map<String, Object>> getPropertySets() {
    Set<NamedPropertySet> setNamedProps = getNamedPropertySets();
    Set<Map<String, Object>> setProps = new HashSet<>(setNamedProps.size());

    for (NamedPropertySet namedProps : setNamedProps) {
      setProps.add(namedProps.getProperties());
    }

    return setProps;
  }
Obtain all property sets as a set of maps.
Convenience method that converts a Set<NamedPropertySet> to a Set<Map<String, Object>>.

@return  a set of property maps for the request
ambari-server/src/main/java/org/apache/ambari/server/api/services/RequestBody.java