code: protected void restoreFromContinuationData(Map<String, Object> data) {
          //noinspection unchecked
          localProxyBuilder.set((FactoryBuilderSupport) data.get("proxyBuilder"));
          //noinspection unchecked
          contexts.set((LinkedList<Map<String, Object>>) data.get("contexts"));
      }
docs: Restores the state of the current builder to the same state as an older build.
  
  Caution, this will destroy rather than merge the current build context if there is any,
  @param data the data retrieved from a compatible getContinuationData call