import type { IMemFSHost } from "@ttsc/wasm";
import type { ICompilerService } from "../structures/ICompilerService";
/**
 * Mount external npm package files into the worker's MemFS under
 * `<workDir>/node_modules/...`.
 *
 * Used by `createWorkerCompiler` to implement the `installDependencies` verb of
 * `ICompilerService`. The dependency installer (UI side) feeds keys like
 * `node_modules/uuid/dist/index.js`; we normalize, sanity-check, and copy each
 * entry under the project root.
 */
export declare function installDependenciesIntoMemFS(host: IMemFSHost, workDir: string, props: ICompilerService.IInstallDependenciesProps): ICompilerService.IInstallDependenciesResult;