*/
  public static Comparator<int[]> lexicographicalComparator() {
    return LexicographicalComparator.INSTANCE;
  }

  enum LexicographicalComparator implements Comparator<int[]> {
    INSTANCE;

    @Override
    // A call to bare "min" or "max" would resolve to our varargs method, not to any static import.
    @SuppressWarnings("StaticImportPreferred")

        return DataConfig.class;
    }

    // ===================================================================================
    //                                                                     Object Instance
    //                                                                     ===============
    @Override
    public Entity newEntity() {
        return new DataConfig();
    }

│   ├── main.py
└── static
    ├── redoc.standalone.js
    ├── swagger-ui-bundle.js
    └── swagger-ui.css
```

### Serve the static files

* Import `StaticFiles`.
* "Mount" a `StaticFiles()` instance in a specific path.

{* ../../docs_src/custom_docs_ui/tutorial002.py hl[7,11] *}

### Test the static files

            if (logger.isDebugEnabled()) {
                logger.debug("Failed to validate a file.", e);
            }
        }
        return false;
    }

    /**
     * Generates SitemapSet instance.
     *
     * This method does not close the input stream.
     *
     * @param in Input stream for a sitemap
     * @return a sitemap set
     */
    public SitemapSet parse(final InputStream in) {

  @GwtIncompatible
  public static double roundToDouble(BigInteger x, RoundingMode mode) {
    return BigIntegerToDoubleRounder.INSTANCE.roundToDouble(x, mode);
  }

  @GwtIncompatible
  private static class BigIntegerToDoubleRounder extends ToDoubleRounder<BigInteger> {
    static final BigIntegerToDoubleRounder INSTANCE = new BigIntegerToDoubleRounder();

    private BigIntegerToDoubleRounder() {}

    @Override

            return updateEntity(source, result);
        } catch (InstantiationException | IllegalAccessException e) {
            final String msg = "Cannot create a new instance: " + entityType.getName();
            throw new IllegalBehaviorStateException(msg, e);
        }
    }

    protected <RESULT extends WebAuthentication> RESULT updateEntity(Map<String, Object> source, RESULT result) {

        return KeyMatch.class;
    }

    // ===================================================================================
    //                                                                     Object Instance
    //                                                                     ===============
    @Override
    public Entity newEntity() {
        return new KeyMatch();
    }

  }

  @CanIgnoreReturnValue
  private V put(Entry<K, V> entry) {
    return getMap().put(entry.getKey(), entry.getValue());
  }

  /**
   * Returns the {@link Method} instance for {@link #testPut_nullKeyUnsupported()} so that tests of
   * {@link java.util.TreeMap} can suppress it with {@code
   * FeatureSpecificTestSuiteBuilder.suppressing()} until <a

import java.util.concurrent.Executor;
import java.util.logging.Level;
import javax.annotation.CheckForNull;

/**
 * A support class for {@code ListenableFuture} implementations to manage their listeners. An
 * instance contains a list of listeners, each with an associated {@code Executor}, and guarantees
 * that every {@code Runnable} that is {@linkplain #add added} will be executed after {@link

import okhttp3.internal.commonPost
import okhttp3.internal.commonPut
import okhttp3.internal.commonRemoveHeader
import okhttp3.internal.commonTag
import okhttp3.internal.commonToString

/**
 * An HTTP request. Instances of this class are immutable if their [body] is null or itself
 * immutable.
 */
class Request internal constructor(builder: Builder) {
  @get:JvmName("url")
  val url: HttpUrl = checkNotNull(builder.url) { "url == null" }