// Get rule after removal
        matched = ruleManager.getRule(responseData);
        assertNull(matched); // No matching rule now

        // Add rule4 which matches
        ruleManager.addRule(rule4);
        matched = ruleManager.getRule(responseData);
        assertEquals("rule4", matched.getRuleId());
    }

    /**
     * Test rule replacement scenario
     */

        final Matcher matcher = Pattern.compile(tokenPattern).matcher(content);
        if (matcher.find()) {
            if (logger.isDebugEnabled()) {
                logger.debug("Matched: {}", matcher.group());
            }
            if (matcher.groupCount() > 0) {
                return matcher.group(1);
            }
        }
        return null;
    }

communication to establish a relative ordering.
</p>

<h3 id="chan">Channel communication</h3>

<p>
Channel communication is the main method of synchronization
between goroutines.  Each send on a particular channel
is matched to a corresponding receive from that channel,
usually in a different goroutine.
</p>

<p class="rule">
A send on a channel is synchronized before the completion of the
corresponding receive from that channel.

     * excluding the general "*" pattern which matches all bots.
     *
     * @param userAgent the user agent string to match against directives,
     *                 can be null (treated as empty string)
     * @return the most specific matching directive, or null if no directive matches
     */
    public Directive getMatchedDirective(final String userAgent) {

        responseData.setUrl("http://example.com");

        assertTrue(rule.match(responseData));
        assertTrue(rule.match(responseData));
        assertTrue(rule.match(responseData));
        assertEquals(3, rule.getMatchCallCount());
    }

    /**
     * Test Rule with always false match
     */
    public void test_ruleNeverMatch() {

	f.buf.Write(data)
	// Flush to w until a potential match of exitRe
	b := f.buf.Bytes()
	match := f.exitRe.FindIndex(b)
	if match == nil {
		// Flush all of the buffer.
		_, err := f.w.Write(b)
		f.buf.Reset()
		if err != nil {
			return n, err
		}
	} else {
		// Flush up to the beginning of the (potential) match.
		_, err := f.w.Write(b[:match[0]])
		f.buf.Next(match[0])
		if err != nil {
			return n, err
		}

        // Different implementations should behave differently
        conditionalRule.setUrlPattern("https://.*");
        assertFalse(conditionalRule.match(responseData)); // Doesn't match pattern

        testRule.setMatchResult(true);
        assertTrue(testRule.match(responseData)); // Always matches when set to true

        // Both should inherit same property behavior
        conditionalRule.setRuleId("conditional");

    }

    @Test
    public void testDeleteByQueryWithNoMatches() {
        // Test delete with query that matches nothing
        boolean result = SuggestUtil.deleteByQuery(client, settings, TEST_INDEX, QueryBuilders.termQuery("nonexistent", "value"));
        assertTrue(result); // Should still return true even with no matches
    }

    @Test(expected = SuggesterException.class)
    public void testDeleteByQueryWithInvalidIndex() {

    protected String parseCharset(final String content) {
        final Pattern pattern = Pattern.compile("; *charset *= *([a-zA-Z0-9\\-_]+)", Pattern.CASE_INSENSITIVE);
        final Matcher matcher = pattern.matcher(content);
        if (matcher.find()) {
            return matcher.group(1);
        }
        return null;
    }

    /**
     * Gets a duplicate URL by adding or removing a trailing slash.
     *

    }

    /**
     * Sets the prefix match weight.
     * @param prefixMatchWeight The prefix match weight.
     */
    public void setPrefixMatchWeight(final float prefixMatchWeight) {
        this.prefixMatchWeight = prefixMatchWeight;
    }

    /**
     * Sets whether to match the first word.
     * @param matchWordFirst True to match the first word, false otherwise.
     */