import type { ExtractPropTypes, PropType, SlotsType } from 'vue';
import type { ComponentThemeVars } from '@yh-ui/theme';
import type { FileCardListItem } from '../../ai-file-card';
/** 溢出布局模式 */
export type OverflowMode = 'wrap' | 'scrollX' | 'scrollY';
/** 附件项属性 */
export interface AttachmentItem extends FileCardListItem {
    /**
     * 文件状态
     */
    status?: 'uploading' | 'done' | 'error' | 'removed';
    /**
     * 上传进度
     */
    percent?: number;
    /**
     * 响应数据
     */
    response?: unknown;
    /**
     * 错误信息
     */
    error?: string;
}
/** 占位符类型 */
export interface PlaceholderType {
    icon?: string;
    title?: string;
    description?: string;
}
export declare const aiAttachmentsProps: {
    /** 附件列表 */
    readonly items: {
        readonly type: PropType<AttachmentItem[]>;
        readonly default: () => never[];
    };
    /** 溢出布局模式 */
    readonly overflow: {
        readonly type: PropType<OverflowMode>;
        readonly default: "scrollX";
    };
    /** 列表容器样式 */
    readonly listStyle: {
        readonly type: PropType<Record<string, string>>;
        readonly default: () => {};
    };
    /** scrollY 模式下容器最大高度（用于 demo 等需固定高度以展示纵向滚动） */
    readonly scrollMaxHeight: {
        readonly type: StringConstructor;
        readonly default: undefined;
    };
    /** 上传按钮图标尺寸（紧凑风格建议 24px） */
    readonly uploadIconSize: {
        readonly type: StringConstructor;
        readonly default: "24px";
    };
    /** 拖拽目标元素 */
    readonly dragTarget: {
        readonly type: PropType<string | HTMLElement>;
        readonly default: null;
    };
    /** 是否隐藏上传按钮 */
    readonly hideUpload: {
        readonly type: BooleanConstructor;
        readonly default: false;
    };
    /** 文件数量限制 */
    readonly limit: {
        readonly type: NumberConstructor;
        readonly default: undefined;
    };
    /** 上传前校验 */
    readonly beforeUpload: {
        readonly type: PropType<(file: File) => boolean | Promise<boolean>>;
        readonly default: undefined;
    };
    /** 自定义上传请求 */
    readonly httpRequest: {
        readonly type: PropType<(options: {
            file: File;
        }) => Promise<void>>;
        readonly default: undefined;
    };
    /** 是否禁用 */
    readonly disabled: {
        readonly type: BooleanConstructor;
        readonly default: false;
    };
    /** 最大上传文件数量 */
    readonly maxCount: {
        readonly type: NumberConstructor;
        readonly default: undefined;
    };
    /** 拖拽容器获取函数 */
    readonly getDropContainer: {
        readonly type: PropType<() => HTMLElement>;
        readonly default: undefined;
    };
    /** 占位符配置（支持字符串简写，会转为 { title: string }） */
    readonly placeholder: {
        readonly type: PropType<PlaceholderType | ((type: "inline" | "drop") => PlaceholderType) | string>;
        readonly default: undefined;
    };
    /** 主题覆盖变量 */
    readonly themeOverrides: {
        readonly type: PropType<ComponentThemeVars>;
        readonly default: undefined;
    };
};
export type AiAttachmentsProps = ExtractPropTypes<typeof aiAttachmentsProps>;
export declare const aiAttachmentsEmits: {
    'update:items': (_items: AttachmentItem[]) => boolean;
    'upload-change': (_file: File, _fileList: AttachmentItem[]) => boolean;
    'upload-success': (_response: unknown, _file: File, _fileList: AttachmentItem[]) => boolean;
    'upload-error': (_error: unknown, _file: File, _fileList: AttachmentItem[]) => boolean;
    'upload-drop': (_files: File[]) => boolean;
    'delete-card': (_item: AttachmentItem, _index: number) => boolean;
    exceed: (_options: {
        files: File[];
        maxCount: number;
    }) => boolean;
};
export type AiAttachmentsEmits = typeof aiAttachmentsEmits;
export interface AiAttachmentsSlots {
    'file-item'?: (props: {
        item: AttachmentItem;
        index: number;
    }) => unknown;
    'upload-button'?: (props: {
        canUpload: boolean;
    }) => unknown;
    'drop-area'?: () => unknown;
}
export type AiAttachmentsSlotTypes = SlotsType<AiAttachmentsSlots>;