import { z } from 'zod';
import { BaseTool } from './types';
/**
 * Schema for human loop operations
 */
export declare const HumanLoopToolSchema: z.ZodObject<{
    prompt: z.ZodDefault<z.ZodString>;
}, "strip", z.ZodTypeAny, {
    prompt: string;
}, {
    prompt?: string | undefined;
}>;
export type HumanLoopToolArgs = z.infer<typeof HumanLoopToolSchema>;
/**
 * Human loop tool for getting input from human operators
 */
export declare class HumanLoopTool extends BaseTool {
    name: string;
    description: string;
    schema: z.ZodObject<{
        prompt: z.ZodDefault<z.ZodString>;
    }, "strip", z.ZodTypeAny, {
        prompt: string;
    }, {
        prompt?: string | undefined;
    }>;
    execute(args: HumanLoopToolArgs, abortSignal?: AbortSignal): Promise<string>;
}