/**
 * State directory cleanup utility (v1.0.254)
 *
 * Removes orphaned marker files from .specweave/state/ that accumulate
 * over time and are never cleaned up. These don't cause functional issues
 * but contribute to state directory bloat.
 *
 * Called from session-start hook to run once per session.
 *
 * @module utils/state-cleanup
 */
/**
 * Remove orphaned state marker files older than 7 days.
 *
 * @param stateDir - Path to .specweave/state/ directory
 * @returns Number of files removed
 */
export declare function cleanOrphanedStateFiles(stateDir: string): number;
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