/**
 * PauseManager - Query APIs for pending pauses.
 *
 * Provides getPendingPause(runId) and listPendingPauses() methods
 * for applications to check and display paused workflow requests.
 */
import type { CheckpointManager } from '../checkpoint/manager';
import type { PendingPause } from './types';
/**
 * Options for creating a PauseManager.
 */
export interface PauseManagerOptions {
    /** CheckpointManager for storage access */
    checkpointManager: CheckpointManager;
}
/**
 * Manager for querying pending human input pauses.
 *
 * @example
 * const pauseManager = new PauseManager({ checkpointManager });
 *
 * // Check specific run
 * const pause = await pauseManager.getPendingPause('run-123');
 * if (pause) {
 *   console.log(`Awaiting: ${pause.prompt}`);
 * }
 *
 * // List all pending
 * const allPauses = await pauseManager.listPendingPauses();
 */
export declare class PauseManager {
    private checkpointManager;
    constructor(options: PauseManagerOptions);
    /**
     * Get pending pause for a specific run.
     *
     * @param runId - The run identifier to check
     * @returns PendingPause if run is paused, null otherwise
     */
    getPendingPause(runId: string): Promise<PendingPause | null>;
    /**
     * List all pending pauses across all runs.
     *
     * Queries checkpoints with status='paused' and filters out expired ones.
     *
     * @returns Array of pending pauses, sorted by createdAt descending (newest first)
     */
    listPendingPauses(): Promise<PendingPause[]>;
    /**
     * Check if a run has a pending pause.
     *
     * @param runId - The run identifier to check
     * @returns true if run is paused and not expired
     */
    hasPendingPause(runId: string): Promise<boolean>;
}
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