import type { Tool } from './Registry.js';
export declare class AskUserManager {
    private static pendings;
    /**
     * Prompts the user and waits for their response.
     * This suspends the execution until the user replies.
     */
    static ask(sessionKey: string, question: string, options: string[] | undefined, askCallback: (q: string, o?: string[]) => void): Promise<string>;
    /**
     * Checks if a session is currently waiting for a user answer
     */
    static isWaiting(sessionKey: string): boolean;
    /**
     * Provides the answer to the pending question and resumes execution
     */
    static submitAnswer(sessionKey: string, answer: string): boolean;
    /**
     * Abandons the pending question so the waiting tool call unwinds with an error.
     * Without this the only way out of an ask is to answer it — /cancel and every other
     * command get swallowed as the answer text, which strands the session.
     */
    static cancel(sessionKey: string, reason?: string): boolean;
}
export declare let globalAskCallback: (sessionKey: string, question: string, options?: string[]) => void;
export declare function setGlobalAskCallback(cb: (sessionKey: string, question: string, options?: string[]) => void): void;
export declare const askUserTool: Tool;
export declare const askInputUserTool: Tool;
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