type alias MiddlewareFnimport { type MiddlewareFn } from "https://dotland.deno.dev/x/grammy@v1.27.0/mod.ts"; Middleware in the form of a function. Type ParametersoptionalC extends Context = Contextdefinition: (ctx: C, next: NextFunction) => MaybePromise<unknown>import MiddlewareFnimport { MiddlewareFn } from "https://dotland.deno.dev/x/grammy@v1.27.0/mod.ts";