* @param target a primitive {@code int} value
   * @return {@code true} if {@code array[i] == target} for some value of {@code i}
   */
  public static boolean contains(int[] array, int target) {
    for (int value : array) {
      if (value == target) {
        return true;
      }
    }
    return false;
  }

  /**

    "UP",  # pyupgrade
]
ignore = [
    "E501",  # line too long, handled by black
    "B008",  # do not perform function calls in argument defaults
    "C901",  # too complex
    "W191",  # indentation contains tabs
]

[tool.ruff.lint.per-file-ignores]
"__init__.py" = ["F401"]
"docs_src/custom_request_and_route/tutorial002_an_py310.py" = ["B904"]
"docs_src/custom_request_and_route/tutorial002_an_py39.py" = ["B904"]

  public boolean containsKey(@Nullable Object key) {
    return seekByKey(key, smearedHash(key)) != null;
  }

  /**
   * Returns {@code true} if this BiMap contains an entry whose value is equal to {@code value} (or,
   * equivalently, if this inverse view contains a key that is equal to {@code value}).
   *
   * <p>Due to the property that values in a BiMap are unique, this will tend to execute in
   * faster-than-linear time.
   *

        StackTraceElement[] stackTrace = exception.getStackTrace();
        assertNotNull(stackTrace);
        assertTrue(stackTrace.length > 0);

        // Verify the top of the stack trace contains this test method
        boolean foundTestMethod = false;
        for (StackTraceElement element : stackTrace) {
            if (element.getMethodName().equals("test_stackTracePresence")) {

   * method is equivalent to {@code string.getBytes(UTF_8).length}, but is more efficient in both
   * time and space.
   *
   * @throws IllegalArgumentException if {@code sequence} contains ill-formed UTF-16 (unpaired
   *     surrogates)
   */
  public static int encodedLength(CharSequence sequence) {
    // Warning to maintainers: this implementation is highly optimized.

   * method is equivalent to {@code string.getBytes(UTF_8).length}, but is more efficient in both
   * time and space.
   *
   * @throws IllegalArgumentException if {@code sequence} contains ill-formed UTF-16 (unpaired
   *     surrogates)
   */
  public static int encodedLength(CharSequence sequence) {
    // Warning to maintainers: this implementation is highly optimized.

        )

        assertLeftoverFilesCleanedUpEventually("flaky-test-with-leftover/build/tmp/teŝt files")
    }

    private
    fun String.assertContains(text: String) {
        assertTrue(contains(text)) {
            "Did not find expected error message in $this"
        }
    }

      return null;
    }
  }

  private static boolean isAndroid() {
    return requireNonNull(System.getProperty("java.runtime.name", "")).contains("Android");
  }

        }

        @Override
        public boolean isEmpty() {
            return parent.isEmpty();
        }

        @Override
        public boolean contains(final Object o) {
            return parent.contains(o);
        }

        @Override
        public Iterator<E> iterator() {
            return parent.iterator();
        }

        @Override

    return new IsNot(match);
  }

  /**
   * Returns a {@code char} matcher that matches any BMP character present in the given character
   * sequence. Returns a bogus matcher if the sequence contains supplementary characters.
   */
  public static CharMatcher anyOf(CharSequence sequence) {
    switch (sequence.length()) {
      case 0:
        return none();
      case 1: