import type { HookInput, GuardResult } from '../../core/index.js';
/** Reset fired state for a session (for testing) */
export declare function resetWorktreeCheckState(sessionId?: string): void;
/**
 * Worktree-check guard: fires PreToolUse on Edit|Write.
 * Hard-blocks (deny) when a concurrent session exists in the same store
 * without worktree isolation. Auto-registers the current session
 * in the store on first fire to close the detection gap.
 *
 * Sentinel file is only written on pass — denied sessions re-check
 * on subsequent invocations so they can recover once conflicts resolve.
 */
export declare function worktreeCheckGuard(input: HookInput, cwd: string): Promise<GuardResult>;
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