import type { ExtractPropTypes, PropType } from 'vue';
/**
 * AI 聊天消息结构
 */
export interface AiChatMessage {
    /** 唯一标识 */
    id: string;
    /** 角色: 用户、助手或系统 */
    role: 'user' | 'assistant' | 'system';
    /** 消息内容 */
    content: string;
    /** 状态: 加载中、成功、错误、生成中、已停止 */
    status?: 'loading' | 'success' | 'error' | 'generating' | 'stopped';
    /** 发送时间描述 */
    time?: string;
    /** 消息发送时间戳 */
    createAt?: number;
    /** 其他扩展属性 */
    [key: string]: unknown;
}
export declare const aiChatProps: {
    /**
     * @description 消息列表
     */
    readonly messages: {
        readonly type: PropType<AiChatMessage[]>;
        readonly default: () => never[];
    };
    /**
     * @description 是否全域加载中 (通常指整个对话框的加载态)
     */
    readonly loading: {
        readonly type: BooleanConstructor;
        readonly default: false;
    };
    /**
     * @description 默认建议提示词
     */
    readonly suggestions: {
        readonly type: PropType<string[]>;
        readonly default: () => never[];
    };
    /**
     * @description 是否启用虚拟滚动 (大数据量时开启)
     */
    readonly virtualScroll: {
        readonly type: BooleanConstructor;
        readonly default: false;
    };
    /**
     * @description 虚拟滚动 - 容器高度
     */
    readonly virtualHeight: {
        readonly type: NumberConstructor;
        readonly default: 400;
    };
    /**
     * @description 虚拟滚动 - 每一项的预估高度
     */
    readonly estimatedItemHeight: {
        readonly type: NumberConstructor;
        readonly default: 80;
    };
    /**
     * @description 主题覆盖变量
     */
    readonly themeOverrides: {
        readonly type: PropType<import("@yh-ui/theme").ComponentThemeVars>;
        readonly default: undefined;
    };
};
export type AiChatProps = ExtractPropTypes<typeof aiChatProps>;
export declare const aiChatEmits: {
    send: (message: string) => boolean;
    'update:messages': (messages: AiChatMessage[]) => boolean;
    clear: () => boolean;
};
export type AiChatEmits = typeof aiChatEmits;
export interface AiChatSlots {
    header?: () => unknown;
    message?: (props: {
        message: AiChatMessage;
        index: number;
    }) => unknown;
    loading?: () => unknown;
    sender?: () => unknown;
}