Method refresh

api/src/main/java/io/grpc/NameResolver.java:146–146

Re-resolve the name. Can only be called after #start has been called. This is only a hint. Implementation takes it as a signal but may not start resolution immediately. It should never throw. The default implementation is no-op. @since 1.0.0

()

   * @since 1.0.0
   */
  public void refresh() {}

  /**
   * Factory that creates {@link NameResolver} instances.