import { createFsRequire } from 'fs-require';
import { type IUnionFs } from 'unionfs';
/**
 * Creates a hybrid require function that combines fs-require (for in-memory files)
 * with Node's native require (for bare specifiers from project node_modules).
 *
 * This solves the issue where fs-require cannot resolve bare specifiers like
 * `@anansi/core/server` from workspace node_modules when they're not in the
 * memfs bundle.
 *
 * @param ufs - The unionfs instance (disk first, then memfs)
 * @param projectRoot - Optional project root directory. Defaults to process.cwd()
 * @returns A require function that tries memfs first, then falls back to project node_modules
 */
export declare function createHybridRequire(ufs: IUnionFs, projectRoot?: string): ReturnType<typeof createFsRequire>;
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