import type { EventBus } from '../../events/index.js';
export interface PendingPlan {
    channel: string;
    machine?: string;
    localPlanPath?: string;
    taskPlanPath?: string | null;
    sessionName?: string | null;
    executionId?: string | null;
    sessionId?: string | null;
    /** PI extension_ui_request id — when set, plan approval routes through sendExtensionUiResponse instead of spawning a new turn. */
    extensionUiId?: string | null;
    threadId?: string | null;
}
export declare class PlanApprovals {
    private _map;
    private _bus;
    constructor(bus?: EventBus);
    setBus(bus: EventBus): void;
    /**
     * Register a pending plan for a requestId.
     * Does NOT publish plan.submitted — that is already done by hook-bridge before
     * this is called (from the bus.subscribe('plan.submitted') handler in app.ts).
     */
    register(requestId: string, plan: PendingPlan): void;
    /** Lookup a pending plan by requestId without removing it. */
    lookup(requestId: string): PendingPlan | undefined;
    /**
     * Resolve a pending plan (approval path).
     * Removes the entry and publishes plan.approved.
     * Returns the plan or undefined if not found.
     */
    resolve(requestId: string): PendingPlan | undefined;
    /**
     * Reject a pending plan (feedback / !new path).
     * Removes the entry without publishing any event.
     * Returns the plan or undefined if not found.
     */
    reject(requestId: string): PendingPlan | undefined;
    /** Returns true if a pending plan is registered for the requestId. */
    has(requestId: string): boolean;
    /**
     * Clear all pending plans for a given channel (called by !new).
     * Returns the number of entries removed.
     */
    clearByChannel(channel: string): number;
}
export declare const planApprovals: PlanApprovals;