/**
 * GC adapter for config file-locks (`<file>.lock` dirs holding `{pid, timestamp}`).
 */
import type { GcCollectResult, GcContext, GcStoreAdapter } from "../gjc-runtime/gc-runtime";
/** Default per-root walk budget. Truncation is a warning, not a hard error. */
export declare const FILE_LOCK_GC_MAX_WALK_ENTRIES = 20000;
export interface FileLocksGcCollectOptions {
    /** Override per-root entry budget (tests). Defaults to {@link FILE_LOCK_GC_MAX_WALK_ENTRIES}. */
    maxWalkEntries?: number;
    /** Override global lock roots for isolated collection tests. */
    roots?: readonly string[];
}
/**
 * Discover + classify file-lock records. Each known lock root gets its own walk
 * budget so truncating one root never skips the others. Caps surface as
 * warnings (partial results), not hard discovery errors.
 */
export declare function collectFileLocksForGc(ctx: GcContext, options?: FileLocksGcCollectOptions): Promise<GcCollectResult>;
export declare const fileLocksGcAdapter: GcStoreAdapter;