Have a look at the docs on Middleware: http://reswift.github.io/ReSwift/master/Other%20Typealiases.html#/s:7ReSwift10Middlewarea

It reads

public typealias Middleware<State> = (@escaping DispatchFunction, @escaping () -> State?)

But the code is

public typealias Middleware<State> = (@escaping DispatchFunction, @escaping () -> State?)
    -> (@escaping DispatchFunction) -> Di

The reverse proxy configuration should be validated

• when loading it from a configuration file / environment variable,
• when using the API.

For example, when creating a route with target kinesis without a target topic, and the variable PROXY_KINESIS_REQUEST_STREAM is not set, loading the configuration should fail. Currently, the configuration will be applied but clients will see an erro