import React from "react"; //#region src/shims/head-state.d.ts type HeadState = { ssrHeadChildren: React.ReactNode[]; documentInitialHead: React.ReactNode[]; }; /** * Run a function within a head state ALS scope. * Ensures per-request isolation for Pages Router elements * on concurrent runtimes. */ declare function runWithHeadState(fn: () => Promise): Promise; declare function runWithHeadState(fn: () => T | Promise): T | Promise; //#endregion export { HeadState, runWithHeadState };