class PasswordVerifier1 {
    constructor() {
        this.rules = [];
    }

    addRule(rule) {
        this.rules.push(rule);
    }

    verify(input) {
        const errors = [];
        this.rules.forEach((rule) => {
            const result = rule(input);
            if (result.passed === false) {
                errors.push(result.reason);
            }
        });
        return errors;
    }
}