import { type ValidationErrors } from './ValidationErrors.js';
export type ValidatorFunction<T = string, TErrors = ValidationErrors, TContext = any> = (val: T, ctx?: TContext) => TErrors;
export type ValidatorFunctionAsync<T = string, TErrors = ValidationErrors, TContext = any> = (val: T, ctx?: TContext) => Promise<TErrors>;
export type ValidationConfig<T, TErrors> = {
    [P in keyof T]?: ValidatorFunction<T[P], TErrors, T>;
};
export type ValidationResults<T, TErrors> = {
    [P in keyof T]?: TErrors;
};
export type WrapperFunction = (val: ValidatorFunction) => ValidatorFunction;
export interface ValidationVoid {
    readonly error?: string | null | undefined;
    validate(): Promise<boolean>;
}