What is these things and what is the use? ```js ws: { large_threshold: 50, version: 10, }, rest: { retries: 3, authPrefix: 'Bot', api: 'https://discord.com/api', cdn: 'https://cdn.discordapp.com/', version: '10', rejectOnRateLimit: null, offset: 0, timeout: 20000, }, failIfNotExists: false ```