/**
 * OneBot 12 事件与 zhin Message 的转换、消息段转换
 */
import type { SendContent } from 'zhin.js';
import type { OneBot12Event, OneBot12Segment } from './types.js';
/** 判断是否为消息事件（type=message） */
export declare function isMessageEvent(ev: OneBot12Event): ev is OneBot12Event & {
    message_id: string;
    message?: OneBot12Segment[];
};
/** 从事件得到 zhin 场景 id：私聊 user_id，群 group_id，频道 channel_id 或 guild_id:channel_id */
export declare function getChannelId(ev: OneBot12Event): string;
/** 从事件得到 channel 类型 */
export declare function getChannelType(ev: OneBot12Event): 'private' | 'group';
/** 将 OneBot 12 消息事件转为 zhin Message 的 MessageBase 所需字段 */
export declare function formatOneBot12MessagePayload(ev: OneBot12Event, endpointName: string, recallFn: (msgId: string) => Promise<void>, replyFn: (channel: {
    id: string;
    type: 'group' | 'private';
}, content: (string | {
    type: string;
    data?: Record<string, unknown>;
})[], quote?: boolean | string) => Promise<string>): {
    $id: string;
    $adapter: 'onebot12';
    $endpoint: string;
    $channel: {
        id: string;
        type: 'group' | 'private';
    };
    $sender: {
        id: string;
        name: string;
    };
    $content: Array<{
        type: string;
        data: Record<string, unknown>;
    }>;
    $raw: string;
    $timestamp: number;
    $recall: () => Promise<void>;
    $reply: (content: SendContent, quote?: boolean | string) => Promise<string>;
};
/** 将 zhin 的 content（segment 数组或字符串）转为 OneBot 12 message 段数组；简单实现仅 text */
export declare function contentToOb12Segments(content: SendContent): OneBot12Segment[];
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