Experimental Optional apiOptional customCustom domain endpoint for GraphQL API.
Optional customOptional region string used to sign the request to customEndpoint. Effective only if customEndpoint is
specified, and the auth mode is 'iam'.
Default auth mode for all the API calls to given service.
Required GraphQL endpoint, must be a valid URL string.
Optional regionOptional region string used to sign the request. Required only if the auth mode is 'iam'.
Optional API key string. Required only if the auth mode is 'apiKey'.