import type { TableColumn } from 'element-ultra/components/table';
import type { EmitFn } from 'element-ultra/utils';
import type { ExtractPropTypes } from 'vue';
/** 数据表格列 */
export interface DataTableColumn extends Omit<TableColumn, 'render'> {
    /** 深度 */
    depth?: number;
    /** 预设 */
    preset?: string;
    /**
     * 是否可见
     * @default true
     */
    visible?: boolean;
    /** 子列 */
    children?: DataTableColumn[];
    /** 渲染 */
    render?: (ctx: {
        val: any;
        v: any;
        row: Record<string, any>;
        index: number;
        wrap: DataTreeRow | DataTableRow;
    }) => any;
}
export declare const dataTableProps: {
    /** 列配置 */
    readonly columns: {
        readonly type: PropType<DataTableColumn[]>;
        readonly required: true;
    };
    readonly stripe: {
        readonly type: BooleanConstructor;
        readonly default: undefined;
    };
    /** 默认展开树形菜单 */
    readonly defaultExpandAll: {
        readonly type: BooleanConstructor;
    };
    /** 指定表格为树形结构 */
    readonly tree: {
        readonly type: PropType<string | boolean>;
    };
    /** 表格数据 */
    readonly data: {
        readonly type: PropType<any[]>;
        readonly default: () => never[];
    };
    /** 列最小宽度 */
    readonly columnMinWidth: {
        readonly type: NumberConstructor;
        readonly default: 100;
    };
    /** 尺寸 */
    readonly size: {
        readonly type: PropType<"default" | "small" | "large">;
    };
    /** 是否多选 */
    readonly checkable: {
        readonly type: PropType<boolean | ((row: any, index?: number) => boolean)>;
        readonly default: false;
    };
    /** 多选数据 */
    readonly checked: {
        readonly type: PropType<any[]>;
    };
    /** 是否可以单选 */
    readonly selectable: {
        readonly type: PropType<boolean | ((row: any, index?: number) => boolean)>;
        readonly default: false;
    };
    /** 单选数据 */
    readonly selected: {
        readonly type: ObjectConstructor;
    };
    /** 显示序号, 可以指定continuos来表示连续的字段, 这样就算跨页也能持续 */
    readonly showIndex: {
        readonly type: BooleanConstructor;
        readonly default: false;
    };
    /** 在浏览器滚动期间等待cpu闲置 */
    readonly idle: {
        readonly type: BooleanConstructor;
    };
    /** 显示表尾合计行 */
    readonly showSummary: BooleanConstructor;
    /** 合计方式 */
    readonly summaryMethod: {
        readonly type: PropType<(ctx: {
            columns: DataTableColumn[];
            data: any[];
            checked: Set<any>;
        }) => any[]>;
    };
    /** 指定合计的列, 指定showSummary时该字段必填  */
    readonly summaryKeys: PropType<string[]>;
    /** 合并单元格 */
    readonly mergeCell: {
        readonly type: PropType<(row: DataTableRow, column: DataTableColumn, columnIndex: number) => {
            rowspan: number;
            colspan: number;
        } | undefined>;
    };
    /** 单元格类 */
    readonly cellClass: {
        readonly type: PropType<(row: DataTableRow, column: DataTableColumn, columnIndex: number) => string[]>;
    };
    /** 表格高度 */
    readonly height: {
        readonly type: StringConstructor;
    };
    /** 响应式数据项 */
    readonly itemReactive: {
        readonly type: BooleanConstructor;
    };
    /** 数据懒加载 */
    readonly lazyLoad: {
        readonly type: PropType<(data: Record<string, any>, row: DataTreeRow) => any[] | Promise<any[]>>;
    };
};
export declare const dataTableEmits: {
    'row-click': (row: any, rowIndex: number) => boolean;
    check: (checked: any[]) => boolean;
    select: (selection: any) => boolean;
    sort: (sortKeys: Record<string, 'asc' | 'dsc' | 'default'>) => boolean;
    'row-expand': (data: Record<string, any>, row: DataTreeRow) => boolean;
};
export interface DataTableRow {
    uid: number;
    data: any;
    index: number;
}
export interface DataTreeRow extends DataTableRow {
    expanded: boolean;
    loaded: boolean;
    loading: boolean;
    depth: number;
    children?: DataTreeRow[];
}
export type DataTableProps = ExtractPropTypes<typeof dataTableProps>;
export type DataTableEmits = EmitFn<typeof dataTableEmits>;