core/src/main/java/net/typedrest/AbstractEndpoint.java
protected void handleCapabilities(HttpResponse response) {
        allowedMethods = unmodifiableSet(stream(response.getHeaders("Allow"))
                .filter(x -> x.getName().equals("Allow"))
                .flatMap(x -> stream(x.getElements())).map(x -> x.getName())
                .collect(toSet()));
    }
protected void handleCapabilities(HttpResponse response) {
        allowedMethods = unmodifiableSet(stream(response.getHeaders("Allow"))
                .filter(x -> x.getName().equals("Allow"))
                .flatMap(x -> stream(x.getElements())).map(x -> x.getName())
                .collect(toSet()));
    }
Handles allowed HTTP methods and other capabilities reported by the
server.

@param response The response to check for the "Allow" header.