code: public void setProperty(final String propertyName, final List<String> values) {
          Preconditions.checkNotNull(propertyName);
          if (values == null) {
              properties.put(propertyName, null);
              return;
          }
          properties.put(propertyName, values);
      }
docs: Overwrite/replace the current values with the provided values.
  
  @param propertyName name of the property as defined by the bean's schema.
  @param values final String representations of the property that conforms to
  its type as defined by the bean's schema.