basicConnManager.routeComplete(conn, route, context);
final HttpRequestExecutor exeRequest = new HttpRequestExecutor();
context.setTargetHost((new HttpHost("www.baeldung.com", 80)));
final HttpGet get = new HttpGet("http://www.baeldung.com");
exeRequest.execute(get, conn, context);
conn.isResponseAvailable(1000);
basicConnManager.releaseConnection(conn, null, 1, TimeUnit.SECONDS);
//
client = HttpClients.custom().setConnectionManager(basicConnManager).build();