NettyChannelProvider extends ManagedChannelProvider { @Override public NettyChannelBuilder builderForAddress(String name, int port) { return NettyChannelBuilder.forAddress(name, port); }  @Override boolean isAvailable(); @Override int priority(); @Override NettyChannelBuilder builderForAddress(String name, int port); @Override NettyChannelBuilder builderForTarget(String target);  }
@Test public void builderIsANettyBuilder() { assertSame(NettyChannelBuilder.class, provider.builderForAddress("localhost", 443).getClass()); }