import java.util.function.ObjIntConsumer;
import org.jspecify.annotations.Nullable;

/**
 * Basic implementation of {@code Multiset<E>} backed by an instance of {@code Map<E, Count>}.
 *
 * <p>For serialization to work, the subclass must specify explicit {@code readObject} and {@code
 * writeObject} methods.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible

     * @throws Exception
     */
    @Test
    public void testReadBytes_CustomMaxSize_EmptyFile() throws Exception {
        final File file = tempFolder.newFile("empty.txt");

        // Empty file should work with any maxSize including 0
        final byte[] bytes = FileUtil.readBytes(file, 0);
        assertThat(bytes.length, is(0));
    }

    /**
     * Test readBytes with very large custom maxSize
     *

<?xml version="1.0" encoding="UTF-8"?>
<!--
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *

    ]
    assert len(data_lines) == 3
    assert '"name"' in data_lines[0]


def test_post_method_sse(client: TestClient):
    """SSE should work with POST (needed for MCP compatibility)."""
    response = client.post("/items/stream-post")
    assert response.status_code == 200
    assert response.headers["content-type"] == "text/event-stream; charset=utf-8"

## Example Lambda handler

Install the necessary dependencies.
```sh
pip install flask requests
```

Following is an example lambda handler.
```py
from flask import Flask, request, abort, make_response

            PrefixQuery query = new PrefixQuery(new Term("field", "test"));
            QueryContext context = new QueryContext("test", false);

            // This should work if the command is properly registered
            QueryBuilder result = newQueryProcessor.execute(context, query, 1.0f);
            assertNotNull(result);
        } finally {

  }

  protected static String formatFeatureSet(Set<? extends Feature<?>> features) {
    List<String> temp = new ArrayList<>();
    for (Feature<?> feature : features) {
      Object featureAsObject = feature; // to work around bogus JDK warning
      if (featureAsObject instanceof Enum) {
        Enum<?> f = (Enum<?>) featureAsObject;
        temp.add(f.getDeclaringClass().getSimpleName() + "." + feature);
      } else {

    Set<Feature<?>> keySetFeatures = computeCommonDerivedCollectionFeatures(mapFeatures);

    // TODO(lowasser): make this trigger only if the map is a submap
    // currently, the KeySetGenerator won't work properly for a subset of a keyset of a submap
    keySetFeatures.add(CollectionFeature.SUBSET_VIEW);
    if (mapFeatures.contains(MapFeature.ALLOWS_NULL_KEYS)) {
      keySetFeatures.add(CollectionFeature.ALLOWS_NULL_VALUES);

   * display. This includes two values for each extreme.
   *
   * <p>This method (dangerously) assume that the strings {@code "!! a"} and {@code "~~ z"} will
   * work for this purpose, which may cause problems for navigable maps with non-string or unicode
   * generators.
   */
  private static List<String> getExtremeValues() {
    List<String> result = new ArrayList<>();