default String updateForBlueprintExport(String propertyName, String value, Map<String, Map<String, String>> properties, ClusterTopology topology) {
      return value;
    }
Update a property value.

@param propertyName    property name
@param origValue       original value of property
@param properties      all properties
@param topology        cluster topology

@return new property value
ambari-server/src/main/java/org/apache/ambari/server/controller/internal/BlueprintConfigurationProcessor.java