/**
 * Shared State for Worker Communication
 *
 * Enables workers to:
 * - Share data via a common state store
 * - Signal completion of dependencies
 * - Lock resources to prevent conflicts
 * - Pass messages between workers
 */
export interface SharedMessage {
    from: string;
    to: string | '*';
    type: 'data' | 'signal' | 'request';
    content: string;
    timestamp: string;
}
export interface ResourceLock {
    resource: string;
    owner: string;
    acquired: string;
    expires: string;
}
export declare class SharedState {
    private stateDir;
    private stateFile;
    private messagesFile;
    private locksFile;
    constructor(workspaceDir: string);
    private ensureStateDir;
    /**
     * Set a shared value
     */
    set(key: string, value: unknown, workerId?: string): void;
    /**
     * Get a shared value
     */
    get(key: string): unknown;
    /**
     * Get all shared state
     */
    getAll(): Record<string, unknown>;
    /**
     * Signal that a worker has completed a specific task/dependency
     */
    signalComplete(signalName: string, workerId: string, data?: unknown): void;
    /**
     * Wait for a signal (polling-based)
     * Returns true if signal is already set, false if not
     */
    checkSignal(signalName: string): {
        completed: boolean;
        data?: unknown;
    };
    /**
     * Send a message to another worker
     */
    sendMessage(from: string, to: string, type: 'data' | 'signal' | 'request', content: string): void;
    /**
     * Get messages for a worker
     */
    getMessages(workerId: string, since?: string): SharedMessage[];
    /**
     * Try to acquire a resource lock
     */
    acquireLock(resource: string, workerId: string, durationMs?: number): boolean;
    /**
     * Release a resource lock
     */
    releaseLock(resource: string, workerId: string): boolean;
    /**
     * Clean up expired locks
     */
    cleanupExpiredLocks(): void;
    /**
     * Get summary for injecting into worker prompts
     */
    getSummaryForWorker(workerId: string): string;
    /**
     * Clear all shared state (for cleanup between sessions)
     */
    clear(): void;
    private loadState;
    private saveState;
    private loadSignals;
    private saveSignals;
    private loadMessages;
    private saveMessages;
    private loadLocks;
    private saveLocks;
}