MakeClient returns a http.Client with a timeout for connection establishing and request handling.

NewController create a new connector SDK controller.

NewInvoker constructs an Invoker instance.

FunctionLookupBuilder builds a list of OpenFaaS functions.

Invoker is used to send requests to functions.

InvokerResponse is a wrapper to contain the response or error the Invoker receives from the function.

ResponsePrinter prints function results.

Controller is used to invoke functions on a per-topic basis and to subscribe to responses returned by said functions.

ResponseSubscriber enables connector or another client in connector to receive results from the function invocation.