UnmarshalResponse takes an http Response and returns: - its body, deserialized if content-type appropriate - metadata such as headers and status code.

WithTLSRootCA should be called only once, with multiple PEM encoded certificates as input if needed.

NewHTTPClient is a factory of HTTPClient.

HTTPClientConfig is a set of options used to initialize a HTTPClient.

HTTPClient is an interface for decoupling http.Client.

UnmarshalFunc is a type of function capable of taking the body of an http response and deserialize it into a target interface{}.