import { ReceiveType } from './reflection/reflection.js';
import { Guard, Serializer } from './serializer.js';
import { ValidationErrorItem } from './validator.js';
/**
 * ```typescript
 * const validator = getValidatorFunction<MyType>();
 *
 * const errors: ValidationErrorItem[] = [];
 * const valid = validator(data, {errors})
 *
 * if (errors.length) console.log(errors); //validation failed if not empty
 * ```
 */
export declare function getValidatorFunction<T>(serializerToUse?: Serializer, receiveType?: ReceiveType<T>): Guard<T>;
export declare function is<T>(data: any, serializerToUse?: Serializer, errors?: ValidationErrorItem[], receiveType?: ReceiveType<T>): data is T;
export declare function guard<T>(serializerToUse?: Serializer, receiveType?: ReceiveType<T>): Guard<T>;
/**
 * @throws ValidationError when type is invalid.
 */
export declare function assert<T>(data: any, serializerToUse?: Serializer, receiveType?: ReceiveType<T>): asserts data is T;