logger.warn("Failed to generate popular words.", e);
                }

                return wordList;
            });
        } catch (final ExecutionException e) {
            logger.warn("Failed to load popular words.", e);
        }
        return Collections.emptyList();
    }

    /**
     * Clears all cached popular word lists.
     */
    public void clearCache() {

  @JvmStatic // Despite being 'internal', this method is called by popular 3rd party SDKs.
  fun invalidatesCache(method: String): Boolean =
    (
      method == "POST" ||
        method == "PATCH" ||
        method == "PUT" ||
        method == "DELETE" ||
        method == "MOVE"
    )

  @JvmStatic // Despite being 'internal', this method is called by popular 3rd party SDKs.
  fun requiresRequestBody(method: String): Boolean =

        return tookMs;
    }

    /**
     * Returns the list of popular words.
     *
     * @return the list of popular words
     */
    public List<String> getWords() {
        return words;
    }

    /**
     * Returns the number of popular words.
     *
     * @return the number of popular words
     */
    public int getNum() {
        return num;
    }

    /**

import org.opensearch.search.rescore.QueryRescorerBuilder;
import org.opensearch.transport.client.Client;

/**
 * Represents a request for popular words. This class extends {@link Request} and is parameterized
 * with {@link PopularWordsResponse}. It allows specifying various criteria for retrieving popular words,
 * such as index, size, tags, roles, fields, languages, and exclusion words.
 *
 * <p>Key functionalities include:</p>
 * <ul>

## Key Features

- **Smart Query Suggestions**: Real-time auto-completion and search suggestions
- **Multi-language Support**: Built-in support for Japanese text processing with Kuromoji analyzer
- **Popular Words Analytics**: Track and analyze frequently searched terms

### OAuth 1 { #oauth-1 }

Havia um OAuth 1, que é bem diferente do OAuth2, e mais complexo, isso incluía diretamente as especificações de como criptografar a comunicação.

Não é muito popular ou usado nos dias atuais.

OAuth2 não especifica como criptografar a comunicação, ele espera que você tenha sua aplicação em um servidor HTTPS.

/// tip | Dica

# Seed value for popular word suggestion.
suggest.popular.word.seed=0
# Tags for popular word suggestion.
suggest.popular.word.tags=
# Fields for popular word suggestion.
suggest.popular.word.fields=
# Excluded words for popular word suggestion.
suggest.popular.word.excludes=
# Number of popular words to suggest.
suggest.popular.word.size=10
# Window size for popular word suggestion.

### OAuth 1 { #oauth-1 }

Es gab ein OAuth 1, das sich stark von OAuth2 unterscheidet und komplexer ist, da es direkte Spezifikationen enthält, wie die Kommunikation verschlüsselt wird.

Heutzutage ist es nicht sehr populär und wird kaum verwendet.

OAuth2 spezifiziert nicht, wie die Kommunikation verschlüsselt werden soll, sondern erwartet, dass Ihre Anwendung mit HTTPS bereitgestellt wird.

/// tip | Tipp

### OAuth 1 { #oauth-1 }

There was an OAuth 1, which is very different from OAuth2, and more complex, as it included direct specifications on how to encrypt the communication.

It is not very popular or used nowadays.

OAuth2 doesn't specify how to encrypt the communication, it expects you to have your application served with HTTPS.

/// tip

import org.junit.jupiter.api.Test

/**
 * Jetty HTTP client.
 *
 * https://www.eclipse.org/jetty/documentation/current/http-client.html
 *
 * Baseline test if we ned to validate OkHttp behaviour against other popular clients.
 */
class JettyHttpClientTest {
  private val client = HttpClient()

  @StartStop
  private val server = MockWebServer()

  @BeforeEach fun setUp() {
    client.start()
  }