import type { AbstractControl } from '@angular/forms';
export type IPasswordValidationFn = (value: string) => boolean;
export interface IRegexLike {
    test: (value: string) => boolean;
}
export type IPasswordRuleSet = Record<string, IRegexLike | IPasswordValidationFn>;
export type IRuleValidationState = Record<string, boolean>;
export declare const VALIDATION_RULE_NAME = "complexity";
export declare const complexityValidator: (rules: IPasswordRuleSet, required: boolean) => (control: AbstractControl) => {
    complexity: IRuleValidationState;
} | null;