import type { IMemFSHost } from "@ttsc/wasm";
import type { IInstallTypiaSourcePackOptions } from "../structures/IInstallTypiaSourcePackOptions";
/**
 * Build a `mount` callback for the `typiaPlugin` config of
 * {@link createWorkerCompiler}.
 *
 * The returned function fetches the pack once (cached per URL by
 * {@link loadTypiaSourcePack}) and writes every entry to the MemFS the first
 * time it is invoked on a given host.
 */
export declare function createTypiaSourcePackMount(options: IInstallTypiaSourcePackOptions): (host: IMemFSHost, workDir?: string) => Promise<void>;