import type * as React from 'react';
export interface FieldNames {
    value?: string;
    label?: string;
    children?: string;
}
export declare type CascaderValueType = React.Key[];
export interface DataNode {
    label: React.ReactNode;
    /** Customize hover title */
    title?: string;
    value: string | number;
    disabled?: boolean;
    children?: DataNode[];
    isLeaf?: boolean;
}
export interface InternalDataNode extends DataNode {
    node: DataNode;
}
export interface OptionDataNode extends Omit<InternalDataNode, 'label' | 'children' | 'title'> {
    title: React.ReactNode;
    children?: OptionDataNode[];
}
export interface FlattenDataNode {
    key: React.Key;
    data: DataNode;
    path: React.Key[];
    parent?: FlattenDataNode;
}
export interface ShowSearchType {
    filter?: (inputValue: string, options: DataNode[], fieldNames: FieldNames) => boolean;
    render?: (inputValue: string, path: DataNode[], prefixCls: string, fieldNames: FieldNames) => React.ReactNode;
    sort?: (a: DataNode[], b: DataNode[], inputValue: string, fieldNames: FieldNames) => number;
    matchInputWidth?: boolean;
    limit?: number | false;
}