import type { AnyObject } from '../types/index.js';
import { ValidationErrors } from './ValidationErrors.js';
import type { ValidationConfig, ValidationResults, ValidationVoid, ValidatorFunction, ValidatorFunctionAsync } from './types.js';
export declare function createShouldBeEqualTo<T = string>(getter: () => T): ValidatorFunction<T>;
export declare function throwNotOk(result: ValidationErrors, message?: string): void;
export declare function validateObject<T extends AnyObject, TErrors = ValidationErrors>(obj: T, validators: ValidationConfig<T, TErrors>, onlyTruthy?: boolean, context?: T): ValidationResults<T, TErrors>;
export declare function combineValidators<T = string, TErrors = ValidationErrors, TContext = any>(...validators: ValidatorFunction<T, TErrors, TContext>[]): (val: T, ctx?: TContext) => ValidationErrors.None | NonNullable<TErrors>;
export declare function combineValidatorsAsync<T = string, TErrors = ValidationErrors, TContext = any>(...validators: ValidatorFunctionAsync<T, TErrors, TContext>[]): Promise<(val: T, ctx?: TContext) => Promise<ValidationErrors.None | NonNullable<Awaited<TErrors>>>>;
export declare function IsSomeInvalid(validatables: ReadonlyArray<ValidationVoid>, stopOnFail?: boolean): Promise<boolean>;
export declare function getFirstValidationError(...validatables: ValidationVoid[]): Promise<string | null | undefined>;