/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import { StreamingState } from '../types.js';
import { type TrackedToolCall } from './useToolScheduler.js';
export interface TurnActivityStatus {
    operationStartTime: number;
    isRedirectionActive: boolean;
}
/**
 * Monitors the activity of a Gemini turn to detect when a new operation starts
 * and whether it involves shell redirections that should suppress inactivity prompts.
 */
export declare const useTurnActivityMonitor: (streamingState: StreamingState, activePtyId: number | string | null | undefined, pendingToolCalls?: TrackedToolCall[]) => TurnActivityStatus;