import type { Nullable } from "../../types/index.js";
export interface RadixNode {
    id: string;
    key: string;
    subWord: string;
    parent: Nullable<string>;
    children: Record<string, RadixNode>;
    docs: string[];
    end: boolean;
    word: string;
}
export declare function create(end?: boolean, subWord?: string, key?: string): RadixNode;
export declare function updateParent(node: RadixNode, parent: RadixNode): void;
export declare function addDocument(node: RadixNode, docID: string): void;
export declare function removeDocument(node: RadixNode, docID: string): boolean;