/**
 * MCP tools: send_email, reply_email, forward_email
 */
import type { McpServer } from '@modelcontextprotocol/server';
import { z } from 'zod';
import type SmtpService from '../services/smtp.service.js';
/**
 * A bare path, or a path with inline/cid metadata. The object form exists for
 * HTML mail embedding images: give the file a cid and reference it in the
 * body as <img src="cid:...">.
 */
export declare const attachmentInputSchema: z.ZodUnion<readonly [z.ZodString, z.ZodObject<{
    path: z.ZodString;
    filename: z.ZodOptional<z.ZodString>;
    cid: z.ZodOptional<z.ZodString>;
    contentType: z.ZodOptional<z.ZodString>;
}, z.core.$strict>]>;
/** Attachment caps the send tools enforce (resolved per account at call time). */
export interface SendLimit {
    /** Global `[settings.send]` cap, used in tool descriptions. */
    globalMb: number;
    /** Effective cap for one account (per-account override / provider limit / global). */
    forAccount: (account: string) => number;
}
export default function registerSendTools(server: McpServer, smtpService: SmtpService, sendLimit: SendLimit): void;
//# sourceMappingURL=send.tool.d.ts.map