10   const agent = new http.Agent({ keepAlive: true });  constant
18     http.get({ port: server.address().port, agent })  field
24           http.get({ port: server.address().port, agent })  field
39   const agent = new http.Agent({ keepAlive: true, timeout: 50 });  constant
46     http.get({ port: server.address().port, agent })  field
53             http.get({ port: server.address().port, agent })  field
69   const agent = new http.Agent({ keepAlive: true });  constant
77     http.get({ port: server.address().port, agent })  field
84           http.get({ port: server.address().port, agent })  field
113   const agent = new CustomAgent({ keepAlive: true, timeout: AGENT_TIMEOUT });  constant
120     http.get({ port: server.address().port, agent })  field