return Math.sqrt(populationVariance());
  }

  /**
   * Returns the <a href="http://en.wikipedia.org/wiki/Variance#Sample_variance">unbiased sample
   * variance</a> of the values. If this dataset is a sample drawn from a population, this is an
   * unbiased estimator of the population variance of the population. The count must be greater than
   * one.
   *

   */
  @Test
  fun literalHeaderFieldWithoutIndexingIndexedName() {
    val headerBlock = headerEntries(":path", "/sample/path")
    bytesIn.writeByte(0x04) // == Literal not indexed ==
    // Indexed name (idx = 4) -> :path
    bytesIn.writeByte(0x0c) // Literal value (len = 12)
    bytesIn.writeUtf8("/sample/path")
    hpackWriter!!.writeHeaders(headerBlock)
    assertThat(bytesOut).isEqualTo(bytesIn)

        final List<String> urlPatterns = new ArrayList<>();
        urlPatterns.add("http://example.com/.*");
        urlPatterns.add("http://test.com/.*");
        urlPatterns.add("http://sample.org/.*");

        urlFilterService.addIncludeUrlFilter(sessionId, urlPatterns);

        // Verify all filters are stored
        assertEquals(3L,
                fesenClient.prepareSearch("fess_crawler.filter")

```shell
group_search_filter: (&(objectClass=group)(member:1.2.840.113556.1.4.1941:=%d))
user_dn_search_filter: (&(memberOf:1.2.840.113556.1.4.1941:=CN=group,DC=dc,DC=net)(sAMAccountName=%s))
```

### Sample settings

Here are some (minimal) sample settings for development or experimentation:

```shell
export MINIO_IDENTITY_LDAP_SERVER_ADDR=myldapserver.com:636
export MINIO_IDENTITY_LDAP_LOOKUP_BIND_DN='cn=admin,dc=min,dc=io'

  }

  public void testCopyOf_concurrentlyMutating() {
    List<String> sample = Lists.newArrayList("a", "b", "c");
    for (int delta : new int[] {-1, 0, 1}) {
      for (int i = 0; i < sample.size(); i++) {
        Collection<String> misleading = misleadingSizeCollection(delta);
        List<String> expected = sample.subList(0, i);
        misleading.addAll(expected);

    public void test_entrySet_with_lang_key() {
        Map<String, Object> parentMap = new LinkedHashMap<>();
        DocMap docMap = new DocMap(parentMap);

        docMap.put("zebra", "value1");
        docMap.put("apple", "value2");
        docMap.put("lang", "ja");
        docMap.put("banana", "value3");

        Set<Map.Entry<String, Object>> entrySet = docMap.entrySet();
        assertEquals(4, entrySet.size());

 |
 |                 NOTE: This location can be overridden with the CLI option:
 |
 |                 -it /path/to/installation/toolchains.xml
 |
 | The sections in this sample file are intended to give you a running start at
 | getting the most out of your Maven installation.
 |-->
<toolchains xmlns="http://maven.apache.org/TOOLCHAINS/1.1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

 |
 |                 NOTE: This location can be overridden with the CLI option:
 |
 |                 -is /path/to/installation/settings.xml
 |
 | The sections in this sample file are intended to give you a running start at
 | getting the most out of your Maven installation. Where appropriate, the default
 | values (values used when the setting is not specified) are provided.
 |
 |-->

        /** Internet Explorer and Trident-based browsers */
        IE,
        /** Mozilla Firefox browser */
        FIREFOX,
        /** Google Chrome browser */
        CHROME,
        /** Apple Safari browser */
        SAFARI,
        /** Opera browser */
        OPERA,
        /** Other or unrecognized browser types */
        OTHER;
    }

import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Package up sample data for common collections benchmarking.
 *
 * @author Nicholaus Shupe
 */
@NullUnmarked
class CollectionBenchmarkSampleData {
  private final boolean isUserTypeFast;
  private final SpecialRandom random;