import { resolveCallback } from "https://deno.land/x/hono@v4.2.2/utils/html.ts";
type
() => Promise<string>
str: string | HtmlEscapedString,
phase: (HtmlEscapedCallbackPhase)[keyof HtmlEscapedCallbackPhase],
preserveCallbacks: boolean,
context: object,
buffer?: [string],