import * as i0 from '@angular/core';
import { OnChanges, EventEmitter, SimpleChanges, Renderer2, ElementRef } from '@angular/core';

interface FeedbackResult {
    score: number | null;
    feedback: Feedback | null;
}
interface Feedback {
    warning: string | null;
    suggestions: string[];
}
declare abstract class IPasswordStrengthMeterService {
    abstract score(password: string): number;
    abstract scoreWithFeedback(password: string): FeedbackResult;
    abstract scoreAsync(password: string): Promise<number>;
    abstract scoreWithFeedbackAsync(password: string): Promise<FeedbackResult>;
}

declare class PasswordStrengthMeterComponent implements OnChanges {
    password: string;
    minPasswordLength: number;
    enableFeedback: boolean;
    enableAsync: boolean;
    colors: string[];
    numberOfProgressBarItems: number;
    strengthChange: EventEmitter<number | null>;
    baseClass: string;
    private passwordStrengthMeterService;
    passwordStrength: number | null;
    feedback: Feedback | null;
    private prevPasswordStrength;
    private passwordChangeObservable$;
    constructor();
    ngOnChanges(changes: SimpleChanges): void;
    private init;
    private calculateScore;
    private calculateScoreAsync;
    static ɵfac: i0.ɵɵFactoryDeclaration<PasswordStrengthMeterComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<PasswordStrengthMeterComponent, "password-strength-meter", never, { "password": { "alias": "password"; "required": true; }; "minPasswordLength": { "alias": "minPasswordLength"; "required": false; }; "enableFeedback": { "alias": "enableFeedback"; "required": false; }; "enableAsync": { "alias": "enableAsync"; "required": false; }; "colors": { "alias": "colors"; "required": false; }; "numberOfProgressBarItems": { "alias": "numberOfProgressBarItems"; "required": false; }; }, { "strengthChange": "strengthChange"; }, never, never, true, never>;
    static ngAcceptInputType_enableFeedback: unknown;
    static ngAcceptInputType_enableAsync: unknown;
}

declare class PSMProgressBarDirective implements OnChanges {
    private renderer;
    private el;
    numberOfProgressBarItems: number;
    passwordStrength: number | null;
    colors: string[];
    minProgressVal: number;
    maxProgressVal: number;
    currentProgressVal: number;
    dataPasswordStrength: number;
    progressBar: HTMLDivElement;
    private defaultColors;
    constructor(renderer: Renderer2, el: ElementRef<HTMLDivElement>);
    ngOnChanges(changes: SimpleChanges): void;
    setProgressBarItems(): void;
    setProgressBar(): void;
    getFillMeterWidth(strength: number | null | undefined): number;
    getMeterFillColor(progressLevel: number): string;
    private getRoundedStrength;
    static ɵfac: i0.ɵɵFactoryDeclaration<PSMProgressBarDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<PSMProgressBarDirective, ".psm__progress-bar", never, { "numberOfProgressBarItems": { "alias": "numberOfProgressBarItems"; "required": true; }; "passwordStrength": { "alias": "passwordStrength"; "required": true; }; "colors": { "alias": "colors"; "required": false; }; }, {}, never, never, true, never>;
}

export { IPasswordStrengthMeterService, PSMProgressBarDirective, PasswordStrengthMeterComponent };
export type { Feedback, FeedbackResult };