class Protocol::Rack::Adapter::Rack2

def self.make_response(env, response)

@returns [Tuple(Integer, Hash, Object)] The Rack 2 response tuple [status, headers, body].
@parameter response [Protocol::HTTP::Response] The HTTP response.
@parameter env [Hash] The rack environment.

Handles protocol upgrades and streaming responses.
Convert a {Protocol::HTTP::Response} into a Rack 2 response tuple. 
def self.make_response(env, response)
	# These interfaces should be largely compatible:
	headers = response.headers.to_h
	
	self.extract_protocol(env, response, headers)
	
	if body = response.body and body.stream?
		if env[RACK_IS_HIJACK]
			headers[RACK_HIJACK] = body
			body = []
		end
	end
	
	headers.transform_values! do |value|
		if value.is_a?(Array)
			value.join("\n")
		else
			value
		end
	end
	
	[response.status, headers, body]
end