public Builder addEndpoint(URI endpoint) {
      endpoints.add(endpoint);
      return this;
    }
Add an endpoint that the HTTP server should listen to. the endpoint of that the HTTP server
should listen to. The scheme specifies the protocol (i.e. HTTP / HTTPS), the host specifies
the binding address, and the port specifies the listening port. Unspecified or zero port
means that the server can listen to any port.
hbase-http/src/main/java/org/apache/hadoop/hbase/http/HttpServer.java