Map<K, V> map) {
    return new FunctionForMapNoDefault<>(map);
  }

  /**
   * Returns a function which performs a map lookup with a default value. The function created by
   * this method returns {@code defaultValue} for all inputs that do not belong to the map's key
   * set. See also {@link #forMap(Map)}, which throws an exception in this case.
   *

      "index" : {
        "creation_date" : "1509021050413",
        "number_of_shards" : "5",
        "number_of_replicas" : "1",
        "uuid" : "Oh0_KGaLRLGjpIm2zjB83Q",
        "version" : {
          "created" : "6000051"
        },
        "provided_name" : "fess_config.crawling_info"
      }
    }
  }

      "index" : {
        "creation_date" : "1509021058796",
        "number_of_shards" : "5",
        "number_of_replicas" : "1",
        "uuid" : "5EWS2-qMT2WwHG0yPrhP3Q",
        "version" : {
          "created" : "6000051"
        },
        "provided_name" : "fess_user.group"
      }
    }
  }

Но вы также хотите, чтобы она принимала новые элементы. И если элемент ранее не существовал, он создаётся, и возвращался HTTP-код 201 "Created".

Чтобы реализовать это, импортируйте `JSONResponse` и возвращайте ваш контент напрямую, устанавливая нужный `status_code`:

{* ../../docs_src/additional_status_codes/tutorial001_an_py310.py hl[4,25] *}

package org.codelibs.fess.crawler.extractor.impl;

import java.util.regex.Pattern;

/**
 * Extracts text content from XML documents.
 */
public class XmlExtractor extends AbstractXmlExtractor {

    /**
     * Creates a new XmlExtractor instance.
     */
    public XmlExtractor() {
        super();
    }

    /**
     * Pattern for XML encoding.
     */
    protected Pattern xmlEncodingPattern =

import java.util.Set;
import java.util.logging.Logger;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jspecify.annotations.Nullable;

/**
 * Creates, based on your criteria, a JUnit test suite that exhaustively tests the object generated
 * by a G, selecting appropriate tests by matching them against specified features.
 *

            assertEquals(VALID_UUID_STRING, result.toUpperCase(), "toString() should return the correct UUID string in uppercase");
        }

        @Test
        @DisplayName("toString() should work correctly for UUID created from string")
        void testToStringFromConstructorWithString() {
            // Arrange
            UUID uuid = new UUID(VALID_UUID_STRING);

            // Act
            String result = uuid.toString();

    return castOrCopyToCollection(iterable).toArray();
  }

  /**
   * Converts an iterable into a collection. If the iterable is already a collection, it is
   * returned. Otherwise, an {@link java.util.ArrayList} is created with the contents of the
   * iterable in the same iteration order.
   */
  private static <E extends @Nullable Object> Collection<E> castOrCopyToCollection(
      Iterable<E> iterable) {

     */
    protected final Map<String, Object> params;

    /**
     * Creates a new empty DataStoreParams instance.
     * Initializes the internal parameter map with a ParamMap wrapper.
     */
    public DataStoreParams() {
        params = new ParamMap<>(new HashMap<>());
    }

    /**
     * Creates a new DataStoreParams instance with a copy of the provided parameters.

      "index" : {
        "creation_date" : "1509021057304",
        "number_of_shards" : "5",
        "number_of_replicas" : "1",
        "uuid" : "gofu2g1ATH6L2rVweOWmtg",
        "version" : {
          "created" : "6000051"
        },
        "provided_name" : "fess_config.thumbnail_queue"
      }
    }
  }