WithRawResponseBody sets the Accept header to application/octet-stream. This can lead to 406 Not Acceptable responses if the endpoint doesn't support the advertised type, requiring clients to explicitly add additional types to the request header, which could be potentially confusing to consumers of this library.
https://github.com/palantir/conjure-go-runtime/blob/develop/conjure-go-client/httpclient/request_params.go#L124