import { z } from 'zod';
import { BaseHCS10QueryTool } from './base-hcs10-tools';
import { HCS10QueryToolParams } from './hcs10-tool-params';
/**
 * A tool to check for new messages on an active HCS-10 connection topic,
 * or optionally fetch the latest messages regardless of timestamp.
 */
declare const CheckMessagesZodSchema: z.ZodObject<{
    targetIdentifier: z.ZodString;
    fetchLatest: z.ZodDefault<z.ZodOptional<z.ZodBoolean>>;
    lastMessagesCount: z.ZodOptional<z.ZodNumber>;
}, "strip", z.ZodTypeAny, {
    targetIdentifier: string;
    fetchLatest: boolean;
    lastMessagesCount?: number | undefined;
}, {
    targetIdentifier: string;
    fetchLatest?: boolean | undefined;
    lastMessagesCount?: number | undefined;
}>;
export declare class CheckMessagesTool extends BaseHCS10QueryTool<typeof CheckMessagesZodSchema> {
    name: string;
    description: string;
    specificInputSchema: z.ZodObject<{
        targetIdentifier: z.ZodString;
        fetchLatest: z.ZodDefault<z.ZodOptional<z.ZodBoolean>>;
        lastMessagesCount: z.ZodOptional<z.ZodNumber>;
    }, "strip", z.ZodTypeAny, {
        targetIdentifier: string;
        fetchLatest: boolean;
        lastMessagesCount?: number | undefined;
    }, {
        targetIdentifier: string;
        fetchLatest?: boolean | undefined;
        lastMessagesCount?: number | undefined;
    }>;
    constructor(params: HCS10QueryToolParams);
    protected executeQuery({ targetIdentifier, fetchLatest, lastMessagesCount, }: z.infer<typeof CheckMessagesZodSchema>): Promise<unknown>;
}
export {};