ruleManager.addRule(rule1);
        ruleManager.addRule(rule2);
        ruleManager.addRule(rule3);

        assertTrue(ruleManager.removeRule(rule2));
        assertTrue(ruleManager.removeRule(rule1));
        assertTrue(ruleManager.removeRule(rule3));

        assertEquals(0, ruleManager.getRuleCount());
    }

    /**
     * Test hasRule with existing rule
     */

     *
     * @see
     * org.codelibs.fess.crawler.rule.RuleManager#removeRule(org.codelibs.fess.crawler.rule.Rule)
     */
    /**
     * Removes the specified rule from the rule manager.
     * @param rule The rule to be removed.
     * @return true if the rule was successfully removed, false otherwise.
     */
    @Override
    public boolean removeRule(final Rule rule) {
        return ruleList.remove(rule);
    }

    /**
     * Removes the specified rule from the rule manager.
     *
     * @param rule the rule to be removed
     * @return true if the rule was successfully removed, false otherwise
     */
    boolean removeRule(Rule rule);

    /**
     * Checks if the specified rule exists.
     *
     * @param rule the rule to check for existence
     * @return true if the rule exists, false otherwise
     */

        @Override
        public void addRule(Rule rule) {
        }

        @Override
        public void addRule(int index, Rule rule) {
        }

        @Override
        public boolean removeRule(Rule rule) {
            return false;
        }

        @Override
        public boolean hasRule(Rule rule) {
            return false;
        }
    }

    /**

        public void addRule(int index, Rule rule) {
            if (rule != null) {
                rules.add(index, rule);
            }
        }

        @Override
        public boolean removeRule(Rule rule) {
            return rules.remove(rule);
        }

        @Override
        public boolean hasRule(Rule rule) {
            return rules.contains(rule);
        }

		switch {
		case hasRule:
			if ruleARN != opts.DestBucket {
				// remove stale replication rule and replace rule with correct target ARN
				if len(replicationConfig.Rules) > 1 {
					err = replicationConfig.RemoveRule(opts)
				} else {
					replicationConfig = replication.Config{}
				}
				if err == nil {
					err = replicationConfig.AddRule(opts)
				}
			} else {
				err = replicationConfig.EditRule(opts)