interface MessageReactionUpdatedimport { type MessageReactionUpdated } from "https://dotland.deno.dev/x/grammy@v1.27.0/types.web.ts"; This object represents a change of a reaction on a message performed by a user. Propertieschat: ChatThe chat containing the message the user reacted to message_id: numberUnique identifier of the message inside the chat optionaluser: UserThe user that changed the reaction, if the user isn't anonymous optionalactor_chat: ChatThe chat on behalf of which the reaction was changed, if the user is anonymous date: numberDate of the change in Unix time old_reaction: ReactionType[]Previous list of reaction types that were set by the user new_reaction: ReactionType[]New list of reaction types that have been set by the user import MessageReactionUpdatedimport { MessageReactionUpdated } from "https://dotland.deno.dev/x/grammy@v1.27.0/types.web.ts";