interface Chat.PrivateChatimport { type Chat } from "https://dotland.deno.dev/x/grammy@v1.31.1/types.web.ts"; const { PrivateChat } = Chat; Internal type for private chats Propertiesid: numberUnique identifier for this chat. type: "private"Type of the chat, can be either “private”, “group”, “supergroup” or “channel” optionaltitle: undefinedTitle, for supergroups, channels and group chats optionalusername: stringUsername, for private chats, supergroups and channels if available first_name: stringFirst name of the other party in a private chat optionallast_name: stringLast name of the other party in a private chat optionalis_forum: undefinedTrue, if the supergroup chat is a forum (has topics enabled)