@Override
                    public void completed(final AsyncConnectionEndpoint endpoint) {
                        if (log.isDebugEnabled()) {
                            log.debug("{} endpoint connected", ConnPoolSupport.getId(endpoint));
                        }
                        if (callback != null) {
                            callback.completed(InternalHttpAsyncExecRuntime.this);
                        }
                    }
@deprecated TLS should be configured by the connection manager
httpclient5/src/main/java/org/apache/hc/client5/http/impl/async/InternalHttpAsyncExecRuntime.java