import { Api } from "https://deno.land/x/grammy@v1.27.0/core/api.ts";
Use this method to promote or demote a user in a supergroup or a channel. The bot must be an administrator in the chat for this to work and must have the appropriate administrator rights. Pass False for all boolean parameters to demote a user. Returns True on success.
Parameters
Unique identifier for the target chat or username of the target channel (in the format @channelusername)
optional
other: Other<R, "promoteChatMember", "chat_id" | "user_id">Optional remaining parameters, confer the official reference below
optional
signal: AbortSignalOptional AbortSignal
to cancel the request
Official reference: https://core.telegram.org/bots/api#promotechatmember