/**
 * Shared filesystem helpers for canonical extension cleanup.
 *
 * @experimental This API is unstable and may change without notice.
 */
import * as FileSystem from "effect/FileSystem";
import * as Effect from "effect/Effect";
/**
 * Remove a directory if it exists.
 */
export declare const removeIfExists: (fsService: FileSystem.FileSystem, dirPath: string) => Effect.Effect<void, import("../app-error/app-error.ts").AppError, never>;
/** Convert a file URL to the current platform's native path representation. */
export declare const stripFileProtocol: (location: string) => string;
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