checkNotNull(columnFunction, "columnFunction");
    checkNotNull(valueFunction, "valueFunction");
    checkNotNull(mergeFunction, "mergeFunction");

    /*
     * No mutable Table exactly matches the insertion order behavior of ImmutableTable.Builder, but
     * the Builder can't efficiently support merging of duplicate values.  Getting around this
     * requires some work.
     */

    return Collector.of(

    assertThat(cs.hashCode(), cs.toString())
      .isEqualTo(System.identityHashCode(cs))
  }

  @Test
  fun hashCode_usesIdentityHashCode_regularCase() {
    // This one's javaName matches the identifier.
    val cs = CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA256
    assertThat(cs.hashCode(), cs.toString())
      .isEqualTo(System.identityHashCode(cs))
  }

  @Test
  fun instancesAreInterned() {

        final String responseJobLogId = extractJobLogId(apiResult);
        assertNotNull(responseJobLogId);
        assertEquals(32, responseJobLogId.length());
        assertTrue(responseJobLogId.matches("[0-9a-f]{32}"));

        // Verify the pre-generated ID was passed to the job via launch params
        assertNotNull(capturedOption.get());

    // TODO(dbeaumont): Support escapers where alphanumeric chars are not safe.
    checkNotNull(safeChars); // eager for GWT.
    // Avoid any misunderstandings about the behavior of this escaper
    if (safeChars.matches(".*[0-9A-Za-z].*")) {
      throw new IllegalArgumentException(
          "Alphanumeric characters are always 'safe' and should not be explicitly specified");
    }

                assertNotNull(result);
                assertEquals(1, result.size());
                assertNotNull(result.get(0).getFileName());
                assertTrue(result.get(0).getFileName().matches("file[1-3]\\.txt"));
            }
        } finally {
            executor.shutdown();
        }
    }

    /**
     * Test watch timeout scenario
     */
    @Test

   */
  public static Throwable getRootCause(Throwable throwable) {
    // Keep a second pointer that slowly walks the causal chain. If the fast pointer ever catches
    // the slower pointer, then there's a loop.
    Throwable slowPointer = throwable;
    boolean advanceSlowPointer = false;

    Throwable cause;
    while ((cause = throwable.getCause()) != null) {

            this.attributes = attrs.getAttributes();
            this.creationTime = attrs.getCreateTime();
            this.lastAccessTime = attrs.getLastAccessTime();
        }
        
        public boolean matches(SmbFileAttributes attrs) {
            return size == attrs.getSize() 
                && lastModified == attrs.getLastWriteTime()
                && attributes == attrs.getAttributes();
        }
    }
    

                    </parent>
                    <groupId>com.example</groupId>
                    <artifactId>child-project</artifactId>
                    <version>2.0.0</version>
                    <!-- Child groupId matches parent, but version differs -->
                </project>
                """;

            Document parentDoc = Document.of(parentPomXml);
            Document childDoc = Document.of(childPomXml);

    // Break apart the domain into UTF-8 labels, i.e. foo.bar.com turns into [foo, bar, com].
    val domainLabelsUtf8Bytes = Array(domainLabels.size) { i -> domainLabels[i].encodeUtf8() }

    // Start by looking for exact matches. We start at the leftmost label. For example, foo.bar.com
    // will look like: [foo, bar, com], [bar, com], [com]. The longest matching rule wins.
    var exactMatch: String? = null
    for (i in domainLabelsUtf8Bytes.indices) {

                    addViolation(
                            problems, Severity.ERROR, "pluginGroups.pluginGroup[" + i + "]", null, "must not be empty");
                } else if (!ID_REGEX.matcher(pluginGroup).matches()) {
                    addViolation(
                            problems,
                            Severity.ERROR,
                            "pluginGroups.pluginGroup[" + i + "]",
                            null,