import React from "react";
import type { ControlledFormValue } from "../../internal/type";
import "./index.less";
/**
 * Attention:
 * CascaderDataNode.value must be unique in the whole data tree.
 */
export interface CascaderDataNode<T extends string | number> {
    label: string;
    value?: T;
    disabled?: boolean;
    children?: Array<CascaderDataNode<T>>;
}
export interface BaseProps<T extends string | number> {
    data: Array<CascaderDataNode<T>>;
    canSelectAnyLevel?: boolean;
    placeholder?: string;
    className?: string;
    style?: React.CSSProperties;
    disabled?: boolean;
    prefix?: React.ReactNode;
}
export interface Props<T extends string | number> extends BaseProps<T>, ControlledFormValue<T> {
}
export declare const Cascader: (<T extends string | number>(props: Props<T>) => React.JSX.Element) & {
    Nullable: <T extends string | number>(props: import("./Nullable").Props<T>) => React.JSX.Element;
    InitialNullable: <T extends string | number>(props: import("./InitialNullable").Props<T>) => React.JSX.Element;
};