import type { ExtractPropTypes, PropType } from 'vue';
export interface WaterfallCols {
    xs?: number;
    sm?: number;
    md?: number;
    lg?: number;
    xl?: number;
}
export interface WaterfallItemBase {
    id?: string | number;
    [key: string]: unknown;
}
export declare const waterfallProps: {
    /** 数据源 */
    readonly items: {
        readonly type: PropType<unknown[]>;
        readonly default: () => never[];
    };
    /** 列数，支持响应式对象 { xs, sm, md, lg, xl } */
    readonly cols: {
        readonly type: PropType<number | WaterfallCols>;
        readonly default: 2;
    };
    /** 间距 (px) */
    readonly gap: {
        readonly type: NumberConstructor;
        readonly default: 16;
    };
    /** 是否开启入场动画 */
    readonly animation: {
        readonly type: BooleanConstructor;
        readonly default: true;
    };
    /** 动画延迟基数 (ms) */
    readonly delay: {
        readonly type: NumberConstructor;
        readonly default: 100;
    };
    /** 节点的唯一标识字段 */
    readonly rowKey: {
        readonly type: StringConstructor;
        readonly default: "id";
    };
    /** 是否自动监听容器宽度变化 */
    readonly responsive: {
        readonly type: BooleanConstructor;
        readonly default: true;
    };
    /** 是否处于加载状态 */
    readonly loading: {
        readonly type: BooleanConstructor;
        readonly default: false;
    };
    /** 用于平衡布局的高度字段名 (若不提供则采用轮询算法) */
    readonly heightProperty: {
        readonly type: StringConstructor;
        readonly default: "height";
    };
    /** 内部图片的选择器，用于在图片加载后自动计算布局 */
    readonly imgSelector: {
        readonly type: StringConstructor;
        readonly default: "img";
    };
    /** 主题覆盖变量 */
    readonly themeOverrides: {
        readonly type: PropType<import("@yh-ui/theme").ComponentThemeVars>;
        readonly default: undefined;
    };
};
export type WaterfallProps = ExtractPropTypes<typeof waterfallProps>;
export interface WaterfallSlots<T = Record<string, unknown>> {
    default?: (props: {
        item: T;
        index: number;
        column: number;
    }) => unknown;
    loading?: () => unknown;
    empty?: () => unknown;
    'loading-overlay'?: () => unknown;
}
export interface WaterfallExpose {
    layout: () => void;
}