*/
@Deprecated(since = "4.0.0")
public final class RequestTraceHelper {

    /**
     * Method that creates some informational string based on passed in {@link RequestTrace}. The contents of request
     * trace can literally be anything, but this class tries to cover "most common" cases that are happening in Maven.
     */
    public static String interpretTrace(boolean detailed, RequestTrace requestTrace) {
        while (requestTrace != null) {

   */
  static @Nullable Object[] toArrayImpl(Collection<?> c) {
    return fillArray(c, new Object[c.size()]);
  }

  /**
   * Returns a copy of the specified subrange of the specified array that is literally an Object[],
   * and not e.g. a {@code String[]}.
   */
  static @Nullable Object[] copyAsObjectArray(@Nullable Object[] elements, int offset, int length) {

And dependencies can be created in a very simple and intuitive way that allows you to just import the Python packages you need, and integrate them with your API functions in a couple of lines of code, *literally*.

You will see examples of this in the next chapters, about relational and NoSQL databases, security, etc.

## **FastAPI** compatibility { #fastapi-compatibility }

   */
  static @Nullable Object[] toArrayImpl(Collection<?> c) {
    return fillArray(c, new Object[c.size()]);
  }

  /**
   * Returns a copy of the specified subrange of the specified array that is literally an Object[],
   * and not e.g. a {@code String[]}.
   */
  static @Nullable Object[] copyAsObjectArray(@Nullable Object[] elements, int offset, int length) {

   * @throws IllegalArgumentException if the specifier is not valid.
   */
  public static HostSpecifier fromValid(String specifier) {
    // Verify that no port was specified, and strip optional brackets from
    // IPv6 literals.
    HostAndPort parsedHost = HostAndPort.fromString(specifier);
    Preconditions.checkArgument(!parsedHost.hasPort());
    String host = parsedHost.getHost();

     *
     * @param props
     *            Property set. Must not be {@literal null}.
     * @param file
     *            File. Must not be {@literal null}.
     * @param encoding
     *            Encoding. Must not be {@literal null} or empty.
     */
    public static void load(final Properties props, final File file, final String encoding) {

     * @param schema
     *            Schema file. Must not be {@literal null}.
     * @return {@link Schema}
     */
    public static Schema newSchema(final SchemaFactory factory, final File schema) {
        assertArgumentNotNull("factory", factory);
        assertArgumentNotNull("schema", schema);

        try {
            return factory.newSchema(schema);

     *
     * @param field
     *            The field. Must not be {@literal null}.
     * @param map
     *            A {@link Map} with type variables as keys and type arguments as values for the parameterized type. Must not be {@literal null}.
     * @return A {@link ParameterizedClassDesc} that represents the type of the field.
     */

        return convertMap(bundle);
    }

    /**
     * Returns the {@literal locale} if not {@literal null}, otherwise returns the default locale.
     *
     * @param locale the locale
     * @return the {@literal locale} if not {@literal null}, otherwise the default locale
     */
    protected static Locale getLocale(final Locale locale) {
        if (locale != null) {

     */
    protected DriverManagerUtil() {
    }

    /**
     * Registers a JDBC driver.
     *
     * @param driverClassName
     *            The class name of the JDBC driver to register. Must not be {@literal null} or an empty string.
     */
    public static void registerDriver(final String driverClassName) {
        assertArgumentNotEmpty("driverClassName", driverClassName);