import * as Duration from "effect/Duration";
import * as Effect from "effect/Effect";
import * as FileSystem from "effect/FileSystem";
import * as Path from "effect/Path";
/**
 * Make a lock key safe to use as a file name on every platform.
 *
 * Keys are derived from user-controlled values (profile names), which
 * have shown up in production containing shell placeholders like
 * `${ALCHEMY_PROFILE:-default}` — `:`/`{`/`$` are invalid in Windows
 * file names and mkdir fails with EINVAL. Collapse anything outside a
 * conservative allow-list to `_`.
 *
 * @internal exported for unit testing.
 */
export declare const sanitizeLockKey: (key: string) => string;
/**
 * Serialise execution of `effect` for the same `key`, both within this
 * process (a semaphore) and across processes on the same machine (an atomic
 * lock directory whose mtime is refreshed while held so another process can
 * recover it after a crash).
 *
 * Failure to create or acquire the lock is fatal. Authentication writes its
 * profile state beneath the same root, so continuing without a writable lock
 * cannot produce a valid deployment and would permit concurrent corruption.
 */
export declare const withLock: <A, E, R>(key: string, effect: Effect.Effect<A, E, R>, options?: {
    readonly timeout?: Duration.Input;
}) => Effect.Effect<A, E, FileSystem.FileSystem | Path.Path | Exclude<R, import("effect/Scope").Scope>>;
//# sourceMappingURL=Lock.d.ts.map