import type { DefaultOptionType, FieldNames, InternalFieldNames, SingleValueType } from '../Cascader'; export declare const VALUE_SPLIT = "__RC_CASCADER_SPLIT__"; export declare function toPathKey(value: SingleValueType): string; export declare function toPathKeys(value: SingleValueType[]): string[]; export declare function toPathValueStr(pathKey: string): string[]; export declare function fillFieldNames(fieldNames?: FieldNames): InternalFieldNames; export declare function isLeaf(option: DefaultOptionType, fieldNames: FieldNames): any; export declare function scrollIntoParentView(element: HTMLElement): void;