public AmbariJpaPersistModule properties(Map<?, ?> properties) {
    this.properties = properties;
    return this;
  }
Configures the JPA persistence provider with a set of properties.

@param properties A set of name value pairs that configure a JPA persistence
provider as per the specification.
ambari-server/src/main/java/com/google/inject/persist/jpa/AmbariJpaPersistModule.java