function concatimport { concat } from "https://deno.land/x/mtkruto@0.1.117/client/4_composer.ts"; concat<C extends Update = Update>(left: MiddlewareFn<C>, right: MiddlewareFn<C>): MiddlewareFn<C>Type ParametersoptionalC extends Update = UpdateParametersleft: MiddlewareFn<C>right: MiddlewareFn<C>ReturnsMiddlewareFn<C>