import type { Styled } from '../../hooks/useStyled';
import type { AbstractTreeNode } from '../../tree/node/abstract-node';
import type { CascaderItem } from '../types';
import type { CLASSES } from '../vars';
export interface CascaderPanelRef<V extends React.Key, T extends CascaderItem<V>> {
    handleKeyDown: (code: any) => AbstractTreeNode<V, T> | undefined;
    scrollToItem: (el: HTMLElement, key: React.Key) => AbstractTreeNode<V, T> | undefined;
}
interface CascaderPanelProps<V extends React.Key, T extends CascaderItem<V>> {
    ref?: React.Ref<CascaderPanelRef<V, T>>;
    namespace: string;
    styled: Styled<typeof CLASSES>;
    id: string | undefined;
    list: AbstractTreeNode<V, T>[];
    customItem: ((item: T) => React.ReactNode) | undefined;
    itemId: (value: V) => string;
    itemSelected: AbstractTreeNode<V, T> | undefined;
    itemFocused: AbstractTreeNode<V, T> | undefined;
    multiple: boolean;
    virtual: boolean | number;
    focusVisible: boolean;
    onFocus: (item: AbstractTreeNode<V, T>) => void;
    onClick: (item: AbstractTreeNode<V, T>) => void;
    onScrollBottom: (ancestors: V[]) => void;
}
export declare function CascaderPanel<V extends React.Key, T extends CascaderItem<V>>(props: CascaderPanelProps<V, T>): React.ReactElement | null;
export {};