interface MessageOriginChannelimport { type MessageOriginChannel } from "https://dotland.deno.dev/x/grammy@v1.27.0/types.deno.ts"; The message was originally sent to a channel chat. Propertiestype: "channel"Type of the message origin, always “channel” date: numberDate the message was sent originally in Unix time chat: Chat.ChannelChatChannel chat to which the message was originally sent message_id: numberUnique message identifier inside the chat optionalauthor_signature: stringSignature of the original post author