import type { ExtractItem, Nullable } from '../../typings/Types.js';
import type { ValidationInfo } from '../ValidationWrapper.js';
import type { LambdaPath, PathTokensCache } from './PathHelper.js';
import type { ValidationNode } from './Types.js';
export declare class ValidationReader<T> {
    private readonly node;
    private readonly tokens;
    constructor(node: Nullable<ValidationNode<T>>, tokens: PathTokensCache);
    getNode<TChild>(lambdaPath: LambdaPath<T, TChild>): ValidationReader<TChild>;
    getNodeByIndex(index: number): ValidationReader<ExtractItem<T>>;
    getNodeByKey<TKey extends keyof T>(key: TKey): ValidationReader<T[TKey]>;
    get(): Nullable<ValidationInfo>;
    private getReaderInternal;
    private getNodeInternal;
}