Optional
commonOptional
credentialcredential configuration, basic/oauth (client credentials)
Optional
csrfthe header key of csrf token
'x-csrf-token'
Optional
fetchfetch proxy of all request
Optional
processauto process csrf token of c4c
Optional
variantservice variant, some behaviors will be changed by this option
Optional
versionodata version
'v2'
common headers will be sent for each requests