/**
 * 入站路由契约(编码规范 §8.1)。
 *
 * 通道入站 → 归属解析 → 统一事件流(OS 06)。MVP 的邮件通道以**模拟通道**接入:
 * mock 只允许出现在**外界**(邮件通道与外部系统),系统内部机制不得 mock(README MVP 完成判据)。
 */
import { z } from 'zod';
/** 一封入站邮件的归一形状 —— 真实邮件通道与模拟通道共用 */
export declare const inboundMailSchema: z.ZodObject<{
    messageId: z.ZodString;
    threadId: z.ZodOptional<z.ZodString>;
    from: z.ZodString;
    to: z.ZodArray<z.ZodString>;
    cc: z.ZodDefault<z.ZodArray<z.ZodString>>;
    subject: z.ZodString;
    body: z.ZodString;
    receivedAt: z.ZodISODateTime;
    attachments: z.ZodDefault<z.ZodArray<z.ZodObject<{
        name: z.ZodString;
        contentType: z.ZodString;
        size: z.ZodNumber;
        ref: z.ZodString;
    }, z.core.$strip>>>;
}, z.core.$strip>;
export type InboundMail = z.infer<typeof inboundMailSchema>;
export declare const ingestMailRoute: {
    readonly method: "POST";
    readonly path: "/api/ingest/channel/:channelId/mail";
    readonly params: z.ZodObject<{
        channelId: z.core.$ZodBranded<z.ZodString, "ChannelId", "out">;
    }, z.core.$strip>;
    readonly body: z.ZodObject<{
        messageId: z.ZodString;
        threadId: z.ZodOptional<z.ZodString>;
        from: z.ZodString;
        to: z.ZodArray<z.ZodString>;
        cc: z.ZodDefault<z.ZodArray<z.ZodString>>;
        subject: z.ZodString;
        body: z.ZodString;
        receivedAt: z.ZodISODateTime;
        attachments: z.ZodDefault<z.ZodArray<z.ZodObject<{
            name: z.ZodString;
            contentType: z.ZodString;
            size: z.ZodNumber;
            ref: z.ZodString;
        }, z.core.$strip>>>;
    }, z.core.$strip>;
    readonly output: z.ZodObject<{
        eventId: z.core.$ZodBranded<z.ZodString, "EventId", "out">;
        resolution: z.ZodDiscriminatedUnion<[z.ZodObject<{
            outcome: z.ZodLiteral<"owned">;
            rule: z.ZodEnum<{
                thread: "thread";
                "listener-key": "listener-key";
                "address-window": "address-window";
            }>;
            taskId: z.core.$ZodBranded<z.ZodString, "TaskId", "out">;
        }, z.core.$strip>, z.ZodObject<{
            outcome: z.ZodLiteral<"unowned">;
            reason: z.ZodEnum<{
                "no-match": "no-match";
                ambiguous: "ambiguous";
                "extract-failed": "extract-failed";
            }>;
            fallbackPosition: z.ZodOptional<z.core.$ZodBranded<z.ZodString, "PositionId", "out">>;
        }, z.core.$strip>], "outcome">;
        listenersHit: z.ZodNumber;
        triggersHit: z.ZodNumber;
        fellBackToMessage: z.ZodBoolean;
    }, z.core.$strip>;
};