import type { GetOverridedKeys } from '@js-toolkit/utils/types/augmentation';
export interface ValidatorTypes {
}
export type ValidatorType = GetOverridedKeys<'error' | 'warn' | 'info', ValidatorTypes>;
export type ValueAssertion<V = unknown> = (value: V) => boolean;
export type TargetValueAssertion<T extends AnyObject, V = unknown> = (value: V, target: T, prop: keyof T) => boolean;
type MessageBuilder<A extends ValueAssertion<any> | TargetValueAssertion<any, any>> = (...args: Parameters<A>) => string;
export interface ValidatorConfig<A extends ValueAssertion<any> | TargetValueAssertion<any, any>> {
    readonly type: ValidatorType;
    readonly message: string | MessageBuilder<A>;
    /** Use this prop if you need to tell that the validation result is still valid but you want to return some message. */
    readonly valid?: boolean;
}
export interface Validator<A extends ValueAssertion<any> | TargetValueAssertion<any, any> = ValueAssertion<any> | TargetValueAssertion<any, any>> extends ValidatorConfig<A> {
    readonly assertion: A;
}
export type ValidatorOptions<A extends ValueAssertion<any> | TargetValueAssertion<any, any>> = Partial<ValidatorConfig<A>>;
export declare function required({ type, message, ...rest }?: ValidatorOptions<ValueAssertion<unknown>>): Validator<ValueAssertion<unknown>>;
export declare function min(minValue: number, { type, message, ...rest }?: ValidatorOptions<ValueAssertion<number>>): Validator<ValueAssertion<number>>;
export declare function max(maxValue: number, { type, message, ...rest }?: ValidatorOptions<ValueAssertion<number>>): Validator<ValueAssertion<number>>;
export declare function minLength(minValue: number, { type, message, ...rest }?: ValidatorOptions<ValueAssertion<number>>): Validator<ValueAssertion<number>>;
export declare function maxLength(maxValue: number, { type, message, ...rest }?: ValidatorOptions<ValueAssertion<number>>): Validator<ValueAssertion<number>>;
export declare function match(regExp: RegExp, { type, message, ...rest }?: ValidatorOptions<ValueAssertion<string>>): Validator<ValueAssertion<string>>;
export declare function oneOf(list: unknown[], { type, message, ...rest }?: ValidatorOptions<ValueAssertion<unknown>>): Validator<ValueAssertion<unknown>>;
export declare function email({ type, message, ...rest }?: ValidatorOptions<ValueAssertion<string>>): Validator<ValueAssertion<string>>;
export declare function propEquals<T extends AnyObject, K extends keyof T>(otherProp: K, { type, message, ...rest }?: ValidatorOptions<ValueAssertion<T[K]>>): Validator<TargetValueAssertion<T, T[K]>>;
export declare function dateString({ type, message, ...rest }?: ValidatorOptions<ValueAssertion<string>>): Validator<ValueAssertion<string>>;
export {};