/// <reference types="react" />
import type { SingleValueType, DefaultOptionType, InternalFieldNames, ShowCheckedStrategy } from '../Cascader';
import type { GetEntities } from '../hooks/useEntities';
declare type Key = string | number;
export declare type GetKey<RecordType> = (record: RecordType, index?: number) => Key;
type DataEntity = any;
type DataNode = any;
interface TraverseDataNodesConfig {
    childrenPropName?: string;
    externalGetKey?: ExternalGetKey;
    fieldNames?: InternalFieldNames;
}
export interface FieldNames {
    title?: string;
    /** @private Internal usage for `rc-tree-select`, safe to remove if no need */
    _title?: string[];
    key?: string;
    children?: string;
}
type ExternalGetKey = GetKey<DataNode> | string;
interface Wrapper {
    posEntities: Record<string, DataEntity>;
    keyEntities: Record<Key, DataEntity>;
}
export declare function formatStrategyValues(pathKeys: React.Key[], getKeyPathEntities: GetEntities, showCheckedStrategy: ShowCheckedStrategy): import("react").Key[];
export declare function toPathOptions(valueCells: SingleValueType, options: DefaultOptionType[], fieldNames: InternalFieldNames, stringMode?: boolean): {
    value: SingleValueType[number];
    index: number;
    option: DefaultOptionType;
}[];
export declare function convertDataToEntities(dataNodes: DataNode[], { initWrapper, processEntity, onProcessFinished, externalGetKey, childrenPropName, fieldNames }?: {
    initWrapper?: (wrapper: any) => Wrapper;
    processEntity?: (entity: DataEntity, wrapper: Wrapper) => void;
    onProcessFinished?: (wrapper: Wrapper) => void;
    externalGetKey?: ExternalGetKey;
    childrenPropName?: string;
    fieldNames?: InternalFieldNames;
}, 
/** @deprecated Use `config.externalGetKey` instead */
legacyExternalGetKey?: ExternalGetKey): {
    posEntities: any;
    keyEntities: any;
};
export declare function traverseDataNodes(dataNodes: DataNode[], callback: (data: {
    node: DataNode;
    index: number;
    pos: string;
    key: Key;
    parentPos: string | number;
    level: number;
    nodes: DataNode[];
}) => void, config?: TraverseDataNodesConfig | string): void;
export declare function getPosition(level: string | number, index: number): string;
export declare function fillFieldNames(fieldNames?: FieldNames): Required<FieldNames>;
export {};