code: public ContextMetaBuilder getContextMetaBuilder() {
          if (contextMetaBuilder == null) {
              contextMetaBuilder = ContextMetaBuilder.contextMetaBuilder();
              contextMetaBuilder
                      .setHostAddress(this.getPublicHost() + ":" + this.getPublicPort())
                      .setRootURI(this.getRootURI());
          }
          return contextMetaBuilder;
      }
docs: Get context meta builder.
  
  @return context meta builder