/**
 * In-process registry tracking which sessions currently have an active
 * CLI agent subprocess (ChannelBridge turn).
 *
 * Replaces the conceptual role of the former engine's active-runs map
 * that was stubbed to false/0 during engine removal (b27cecc795, #76/#77).
 */
/**
 * Runtime attestation (ADR 0005 H9). Declares the implementation status
 * of each runtime export in this module. See CONTRIBUTING.md § Module
 * attestations for the category definitions and the convention for
 * updating these when sync or rebrand changes the surface.
 */
export declare const MODULE_ATTESTATIONS: {
    readonly isSessionRunActive: "live";
    readonly getActiveSessionRunCount: "live";
    readonly registerSessionRun: "live";
    readonly unregisterSessionRun: "live";
    readonly getSessionRunHandle: "live";
    readonly killSessionRun: "live";
    readonly waitForSessionRunEnd: "live";
    readonly resetSessionRunRegistryForTest: "live";
};
export type SessionRunHandle = {
    startedAt: number;
    pid?: number;
    sessionKey: string;
    agentId: string;
    abortController?: AbortController;
};
/** Check whether a session currently has an active CLI agent turn. */
export declare function isSessionRunActive(sessionKey: string): boolean;
/** Return the number of currently active session runs. */
export declare function getActiveSessionRunCount(): number;
/** Register an active session run. */
export declare function registerSessionRun(sessionKey: string, handle: SessionRunHandle): void;
/** Unregister a session run (on turn completion or crash). */
export declare function unregisterSessionRun(sessionKey: string): void;
/** Retrieve the handle for an active session run, if any. */
export declare function getSessionRunHandle(sessionKey: string): SessionRunHandle | undefined;
/**
 * Kill an active session run by aborting its controller or sending SIGTERM to its PID.
 * Returns `true` if a kill signal was dispatched.
 */
export declare function killSessionRun(sessionKey: string): boolean;
/**
 * Wait (poll) for a session run to end.
 * Resolves `true` if the run ended, `false` on timeout.
 */
export declare function waitForSessionRunEnd(sessionKey: string, timeoutMs: number): Promise<boolean>;
/** Reset registry — only for tests. */
export declare function resetSessionRunRegistryForTest(): void;