/**
 * ACP (Agent Client Protocol) stdio bridge for GSK task agents.
 *
 * Speaks ACP JSON-RPC over stdin/stdout, internally calls GSK backend APIs.
 * Usage: gsk task <type> --acp
 *
 * Protocol: NDJSON (one JSON-RPC 2.0 message per line on stdin/stdout)
 */
import type { GlobalOptions } from './types.js';
export interface PersistedSession {
    sessionId: string;
    taskType: string;
    projectId: string;
    createdAt: string;
}
export declare function getSessionStorePath(): string;
export declare function sanitizeId(id: string): string;
export declare function loadPersistedSession(sessionId: string): PersistedSession | null;
/**
 * Start the ACP stdio bridge for a given task type.
 */
export declare function startAcpBridge(taskType: string, globalOpts: GlobalOptions): Promise<void>;
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