const config = {

endpoint: "https://api.example.com/v1",

endpoint: "https://api.example.com/v2",

timeout: 5000,

timeout: 8000,

retries: 3,

retries: 5,

headers: { "x-api-key": "sk-old-key" },

headers: { "x-api-key": "sk-new-key", "x-trace": "true" },

};