type Client interface {
	// AddHeader appends a header value to the client to be sent in every
	// request. To replace the current existing header use SetHeader.
	AddHeader(key, value string) Client

	// AddRequestHook appends a RequestHook to the list of hooks which are to be
	// run just before the client sends a request. RequestHooks are executed in
	// the order they are added.
	AddRequestHook(hook RequestHook) Client

	// AddRequestHooks is a convenience function which calls AddRequestHook
	// multiple times.
	AddRequestHooks(hooks ...RequestHook) Client

	// Get performs a Get request. You can optionally configure the request
	// using RequestHooks, or by configuring the client if you need to configure
	// all requests.
	Delete(ctx context.Context, target string, query url.Values, body io.Reader,
		hooks ...RequestHook) (*Response, error)

	// Get performs a Get request. You can optionally configure the request
	// using RequestHooks, or by configuring the client if you need to configure
	// all requests.
	Get(ctx context.Context, target string, query url.Values,
		hooks ...RequestHook) (*Response, error)

	// Head performs a Head request. You can optionally configure the request
	// using RequestHooks, or by configuring the client if you need to configure
	// all requests.
	Head(ctx context.Context, target string, query url.Values,
		hooks ...RequestHook) (*Response, error)

	// Logger returns the client's internal logger.
	Logger() *logrus.Logger

	// Options performs a Options request. You can optionally configure the
	// request using RequestHooks, or by configuring the client if you need to
	// configure  all requests.
	Options(ctx context.Context, target string, query url.Values,
		hooks ...RequestHook) (*Response, error)

	// Post performs a Post request. You can optionally configure the request
	// using RequestHooks, or by configuring the client if you need to configure
	// all requests.
	Post(ctx context.Context, target string, query url.Values, body io.Reader,
		hooks ...RequestHook) (*Response, error)

	// Put performs a Put request. You can optionally configure the request
	// using RequestHooks, or by configuring the client if you need to configure
	// all requests.
	Put(ctx context.Context, target string, query url.Values, body io.Reader,
		hooks ...RequestHook) (*Response, error)

	// RemoveProxy removes any currently set proxy URL in the Client's
	// transport.
	RemoveProxy() Client

	// SetBaseURL sets a host URL inside the client which is prepended to all
	// request URLs performed by the Client.
	SetBaseURL(url string) Client

	// SetHeader sets a header value in the client to be sent in every request.
	// This will overwrite any exiting headers present associated with the same
	// key. To add headers to the key instead of replacing them use AddHeader.
	SetHeader(key, value string) Client

	// SetHTTPClient replaces the internal http.Client that Snorlax uses to
	// perform requests. Use this if you need finer control over the client's
	// internals.
	SetHTTPClient(c *http.Client) Client

	// SetLogLevel sets the amount of logs the client will produce. The lower
	// the level, the less logs will be written. By default, Snorlax uses the
	// lowest possible level - PanicLevel.
	SetLogLevel(level logrus.Level) Client

	// SetProxy sets the proxy URL in the clent's transport. If the URL fails
	// to parse, nothing is set. This function fails silently. If you need more
	// of a guarantee rather create your own http.Client with your proxy set and
	// use SetHTTPClient.
	SetProxy(url string) Client
}

type ClientOptions struct {
	BaseURL     string
	WithMetrics bool
	// contains filtered or unexported fields
}

type RequestHook func(Client, *http.Request) error

type Response struct {
	http.Response
}