import { isFreshCtx } from "https://deno.land/x/blocks@1.53.4/runtime/fresh/context.ts";
type
<TState>(ctx: ConnInfo | HandlerContext<unknown, TState>) => ctx is HandlerContext<unknown, TState>
x/blocks/runtime/fresh/context.ts>isFreshCtx
import { isFreshCtx } from "https://deno.land/x/blocks@1.53.4/runtime/fresh/context.ts";