return "hello" + string(es), nil
}

type CustomSerializer struct {
	prefix []byte
}

func NewCustomSerializer(prefix string) *CustomSerializer {
	return &CustomSerializer{prefix: []byte(prefix)}
}

func (c *CustomSerializer) Scan(ctx context.Context, field *schema.Field, dst reflect.Value, dbValue interface{}) (err error) {

        // Default constructor
    }

    /**
     * Gets the path prefix for API endpoints.
     * @return The path prefix.
     */
    public String getPathPrefix() {
        return pathPrefix;
    }

    /**
     * Sets the path prefix for API endpoints.
     * @param pathPrefix The path prefix to set.
     */
    public void setPathPrefix(final String pathPrefix) {

      Byte[] prefix = {(byte) 86, (byte) 99};
      Byte[] all = concat(prefix, elements);
      return asList(all).subList(2, elements.length + 2);
    }
  }

  public static final class BytesAsListMiddleSubListGenerator extends TestByteListGenerator {
    @Override
    protected List<Byte> create(Byte[] elements) {
      Byte[] prefix = {Byte.MIN_VALUE, Byte.MAX_VALUE};

    protected List<Long> create(Long[] elements) {
      Long[] prefix = {86L, 99L};
      Long[] all = concat(prefix, elements);
      return asList(all).subList(2, elements.length + 2);
    }
  }

  public static final class LongsAsListMiddleSubListGenerator extends TestLongListGenerator {
    @Override
    protected List<Long> create(Long[] elements) {
      Long[] prefix = {Long.MIN_VALUE, Long.MAX_VALUE};

        private String lastScript;
        private Map<String, Object> lastParams;
        private final String prefix;

        public TestScriptEngine() {
            this.prefix = "";
        }

        public TestScriptEngine(String prefix) {
            this.prefix = prefix + ":";
        }

        @Override
        public Object evaluate(String template, Map<String, Object> paramMap) {

				return
			}
		case "Bucket":
			z.Bucket, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "Bucket")
				return
			}
		case "Prefix":
			err = z.Prefix.DecodeMsg(dc)
			if err != nil {
				err = msgp.WrapError(err, "Prefix")
				return
			}
		case "NotificationCfg":
			err = z.NotificationCfg.DecodeMsg(dc)
			if err != nil {
				err = msgp.WrapError(err, "NotificationCfg")
				return

     * Useful for debugging and displaying content with line references.
     *
     * @param prefix the prefix to add before each line number
     * @param content the content to add line numbers to
     * @return the content with line numbers prepended, or empty string if content is blank
     */
    public String appendLineNumber(final String prefix, final String content) {

import com.google.common.annotations.GwtCompatible;

/**
 * The subset of the {@link java.util.regex.Pattern} API which is used by this package, and also
 * shared with the {@code re2j} library. For internal use only. Please refer to the {@code Pattern}
 * javadoc for details.
 */
@GwtCompatible
abstract class CommonPattern {
  public abstract CommonMatcher matcher(CharSequence t);

  public abstract String pattern();

		}

		// If there are lifecycle rules for the prefix.
		_, prefix := path2BucketObjectWithBasePath(f.root, folder.name)
		var activeLifeCycle *lifecycle.Lifecycle
		if f.oldCache.Info.lifeCycle != nil && f.oldCache.Info.lifeCycle.HasActiveRules(prefix) {
			if f.dataUsageScannerDebug {
				console.Debugf(scannerLogPrefix+" Prefix %q has active rules\n", prefix)
			}
			activeLifeCycle = f.oldCache.Info.lifeCycle
		}

            xpackPatternSet.setIncludes(includeXpack.get().stream().map(prefix -> prefix + "*/**").collect(Collectors.toList()));
            xpackFileTree = xpackConfigToFileTree.apply(xpackConfig).matching(xpackPatternSet);
        }
        if (includeCore.get().isEmpty() == false) {
            corePatternSet.setIncludes(includeCore.get().stream().map(prefix -> prefix + "*/**").collect(Collectors.toList()));