ENUM
WebSocketError.ErrorKind
public enum ErrorKind
Cases
errorResponse
case errorResponse
networkError
case networkError
unprocessedMessage(_:)
case unprocessedMessage(String)
serializedMessageError
case serializedMessageError
neitherErrorNorPayloadReceived
case neitherErrorNorPayloadReceived
upgradeError(code:)
case upgradeError(code: Int)