import { resolveCallback } from "https://deno.land/x/hono@v3.12.6/utils/html.ts";
type
() => Promise<string>
str: string | HtmlEscapedString,
phase: HtmlEscapedCallbackPhase[keyof HtmlEscapedCallbackPhase],
preserveCallbacks: boolean,
context: object,
buffer?: [string],