import { isFreshCtx } from "https://deno.land/x/live@1.57.7/runtime/fresh/context.ts";
type
<TState>(ctx: ConnInfo | HandlerContext<unknown, TState>) => ctx is HandlerContext<unknown, TState>
x/live/runtime/fresh/context.ts>isFreshCtx
import { isFreshCtx } from "https://deno.land/x/live@1.57.7/runtime/fresh/context.ts";