import { I18nMessage } from '../i18n';
interface Document {
    name?: string;
    description?: string;
}
export interface ValidatorOptions<Type, IsRequired extends boolean> extends Document {
    defaultValue?: Type;
    required: IsRequired;
}
export declare type ValidatorType<T> = T extends Validator<infer Options> ? NonNullable<Options['defaultValue']> | (Options['required'] extends true ? NonNullable<Options['defaultValue']> : undefined) : never;
export declare abstract class Validator<T extends ValidatorOptions<any, boolean> = ValidatorOptions<any, boolean>> {
    protected readonly config: T;
    constructor();
    optional(): any;
    protected default(value: any): any;
    docs(docs: Document): this;
    protected validate(i18n: I18nMessage, obj: Record<string, any>, key: string, superKeys?: string[]): string | void;
    protected getLabel(key: string, superKeys: string[]): string;
    protected isEmpty(value: any): boolean;
    protected abstract validateValue(i18n: I18nMessage, data: Record<string, any>, key: string, superKeys: string[]): string | void;
    protected toJSON(): {
        name: string;
        description: string;
        defaultValue: any;
        required: boolean;
    };
}
export {};