*/
  static String nullToEmpty(@Nullable String string) {
    return (string == null) ? "" : string;
  }

  /**
   * Returns the string if it is not empty, or a null string otherwise.
   *
   * @param string the string to test and possibly return
   * @return {@code string} if it is not empty; {@code null} otherwise
   */
  static @Nullable String emptyToNull(@Nullable String string) {

        } finally {
            deleteTempFile(tempFile);
        }
    }

    private Map<String, Map<String, String>> parseObject(final ObjectMapper mapper, final String line) {
        try {
            return mapper.readValue(line, new TypeReference<Map<String, Map<String, String>>>() {
            });
        } catch (final Exception e) {
            if (logger.isDebugEnabled()) {

    public static Element findChildElement(Element parent, String name) {
        return parent.child(name).orElse(null);
    }

    /**
     * Serializes a domtrip Document to XML string with preserved formatting.
     *
     * @param document the domtrip Document
     * @return the XML string with preserved formatting
     *
     */
    public static String toXml(Document document) {

}

type eventArgs struct {
	EventName    event.Name
	BucketName   string
	Object       ObjectInfo
	ReqParams    map[string]string
	RespElements map[string]string
	Host         string
	UserAgent    string
}

// ToEvent - converts to notification event.
func (args eventArgs) ToEvent(escape bool) event.Event {
	eventTime := UTCNow()

import okio.Buffer
import okio.BufferedSink

class FormBody internal constructor(
  encodedNames: List<String>,
  encodedValues: List<String>,
) : RequestBody() {
  private val encodedNames: List<String> = encodedNames.toImmutableList()
  private val encodedValues: List<String> = encodedValues.toImmutableList()

  /** The number of key-value pairs in this form-encoded body. */
  @get:JvmName("size")

     * @param val The string to be interpolated.
     * @param callback The function to resolve variable values.
     * @return The interpolated string, or null if the input was null.
     */
    @Nullable
    default String interpolate(@Nullable String val, @Nullable UnaryOperator<String> callback) {
        return interpolate(val, callback, false);
    }

    /**
     * Interpolates a single string value using the provided callback function.

        // Test that getMessage returns the same value consistently
        String message = "Consistent message";
        UnsupportedSearchException exception = new UnsupportedSearchException(message);

        String firstCall = exception.getMessage();
        String secondCall = exception.getMessage();
        String thirdCall = exception.getMessage();

        assertEquals(firstCall, secondCall);

@GwtIncompatible
public final class HostSpecifier {

  private final String canonicalForm;

  private HostSpecifier(String canonicalForm) {
    this.canonicalForm = canonicalForm;
  }

  /**
   * Returns a {@code HostSpecifier} built from the provided {@code specifier}, which is already
   * known to be valid. If the {@code specifier} might be invalid, use {@link #from(String)}
   * instead.
   *

                    public Source(@Nullable String some) {}
                    @Nullable public String nonFinalField = null;
                    public String foo(@Nullable String bar) { return "some"; }
                }
            """,
            v2 = """
                public class Source {
                    public Source(String some) {}
                    public String nonFinalField = "some";

    public static final String DEFAULT_FESS_URL = "http://localhost:8080";
    public static final String DEFAULT_SEARCH_ENGINE_URL = "http://localhost:9200";
    public static final String DEFAULT_TEST_TOKEN = "E44TjYrJQadtGBFFuECA0SBqqVtqj7lRGmhYep53ixNdvlRxnkhwqCVCpRoO";
    public static final String DEFAULT_TEST_TOKEN_ID = "testToken";
    private static final String TEST_TOKEN = "test.token";