final IndexExportFormatter formatter = indexExportJob.createFormatter("html");
        assertTrue(formatter instanceof HtmlIndexExportFormatter);
    }

    @Test
    public void test_createFormatter_json() {
        final IndexExportFormatter formatter = indexExportJob.createFormatter("json");
        assertTrue(formatter instanceof JsonIndexExportFormatter);
    }

    @Test

				</configuration>
			</plugin>
			<plugin>
				<groupId>com.mycila</groupId>
				<artifactId>license-maven-plugin</artifactId>
			</plugin>
			<plugin>
				<groupId>net.revelc.code.formatter</groupId>
				<artifactId>formatter-maven-plugin</artifactId>
			</plugin>
			<plugin>
				<groupId>org.codelibs.maven</groupId>
				<artifactId>yuicompressor-maven-plugin</artifactId>
				<version>2.0.0</version>

    private static final ThreadLocal<SimpleDateFormat> DATE_FORMAT_HOLDER =
            ThreadLocal.withInitial(() -> new SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss Z", Locale.ENGLISH));

    /** RFC 1123 date formatter */
    private static final DateTimeFormatter RFC_1123_FORMATTER =
            DateTimeFormatter.ofPattern("EEE, dd MMM yyyy HH:mm:ss zzz", Locale.ENGLISH).withZone(ZoneId.of("GMT"));

    /**

 *
 * <p>{@code Preconditions} uses {@link Strings#lenientFormat} to format error message template
 * strings. This only supports the {@code "%s"} specifier, not the full range of {@link
 * java.util.Formatter} specifiers. However, note that if the number of arguments does not match the
 * number of occurrences of {@code "%s"} in the format string, {@code Preconditions} will still

 *
 * <p>{@code Preconditions} uses {@link Strings#lenientFormat} to format error message template
 * strings. This only supports the {@code "%s"} specifier, not the full range of {@link
 * java.util.Formatter} specifiers. However, note that if the number of arguments does not match the
 * number of occurrences of {@code "%s"} in the format string, {@code Preconditions} will still