import { AgentMessagesService } from '../services/messages.service';
import type { AgentTool, ToolDescriptor, ToolInvocation, ToolResult } from './tool.types';
export declare class SendMessageTool implements AgentTool {
    private readonly messagesService;
    constructor(messagesService: AgentMessagesService);
    readonly descriptor: ToolDescriptor;
    invoke(inv: ToolInvocation): Promise<ToolResult>;
}