import { Store } from "effector";
export declare type Validator<K extends string> = (v: string) => K | null;
export declare type ValidatorConst<T> = T extends Validator<infer K> ? K : unknown;
export declare type ValidatorTupleConsts<Tuple extends [...Validator<any>[]]> = ValidatorConst<Tuple[number]>;
export declare function applyValidators<T extends Validator<any>[], U extends string = string>(store: Store<U>, validators: [...T]): Store<ValidatorTupleConsts<T> | null>;
export declare const validMaxLengthLongText: Validator<"max_length_exceeded">;
export declare const validMaxLength250: Validator<"max_length_exceeded">;
export declare const validMaxLength190: Validator<"max_length_exceeded">;
export declare const validMaxLength160: Validator<"max_length_exceeded">;
export declare const validMaxLength80: Validator<"max_length_exceeded">;
export declare const validMaxLength32: Validator<"max_length_exceeded">;
export declare const validNonEmpty: Validator<"invalid_non_empty">;
export declare const validEmail: Validator<"invalid_email">;
export declare function combineValidators(validStates: Store<any>[]): Store<boolean>;