use LanguageServer::Protocol::Transport::Io::*

module Steep
  module Drivers
    module Utils
      module DriverHelper
        attr_accessor steepfile: Pathname?

        def load_config: (?path: Pathname) -> Project

        def request_id: () -> String

        def wait_for_response_id: (reader: Reader, id: String, ?unknown_responses: unknown_message_action) -> untyped

        def shutdown_exit: (writer: Writer, reader: Reader) -> void

        type unknown_message_action = :ignore | :log | :raise

        def wait_for_message: (reader: Reader, ?unknown_messages: unknown_message_action) { (untyped) -> bool } -> untyped

        def keep_diagnostic?: (untyped diagnostic, severity_level: Diagnostic::LSPFormatter::severity) -> bool
      end
    end
  end
end