return params.get(key);
    }

    /**
     * Retrieves a parameter value as a String.
     * If the stored value is already a String, it is returned directly.
     * Otherwise, the toString() method is called on the value.
     *
     * @param key the parameter key to look up
     * @return the parameter value as a String, null if not found or value is null
     */
    public String getAsString(final String key) {

     */
    public GroupPager() {
        // Default constructor
    }

    /**
     * Clears all pagination data and search criteria, resetting the pager to its initial state.
     * This method resets record counts, pagination flags, and search parameters to their default values.
     */
    public void clear() {
        allRecordCount = 0;
        allPageCount = 0;
        existPrePage = false;

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

        // First element should be from this test method
        StackTraceElement firstElement = stackTrace[0];
        assertEquals(this.getClass().getName(), firstElement.getClassName());
        assertEquals("test_stackTracePresent", firstElement.getMethodName());
    }

      )

    fun http2HeadersList(request: Request): List<Header> {
      val headers = request.headers
      val result = ArrayList<Header>(headers.size + 4)
      result.add(Header(TARGET_METHOD, request.method))
      result.add(Header(TARGET_PATH, RequestLine.requestPath(request.url)))
      val host = request.header("Host")
      if (host != null) {
        result.add(Header(TARGET_AUTHORITY, host)) // Optional.
      }

        super.setUp();
        // Create a concrete implementation for testing
        jobExecutor = new TestJobExecutor();
    }

    public void test_execute() {
        // Test execute method
        String scriptType = "test";
        String script = "test script";
        Object result = jobExecutor.execute(scriptType, script);
        assertEquals("Executed: test test script", result);

   * the object to an {@code OutputStream}.
   *
   * <p>The {@code close} and {@code flush} methods of the returned {@code OutputStream} do nothing,
   * and no method throws {@code IOException}.
   *
   * @since 13.0
   */
  public static OutputStream asOutputStream(PrimitiveSink sink) {
    return new SinkAsStream(sink);
  }

        : new SparseImmutableTable<R, C, V>(cellList, rowSpace, columnSpace);
  }

  /**
   * @throws IllegalArgumentException if {@code existingValue} is not null.
   */
  /*
   * We could have declared this method 'static' but the additional compile-time checks achieved by
   * referencing the type variables seem worthwhile.
   */
  final void checkNoDuplicate(R rowKey, C columnKey, @Nullable V existingValue, V newValue) {

        // Then
        assertNotNull(exception.getStackTrace());
        assertTrue(exception.getStackTrace().length > 0);

        // Should contain this test method in stack trace
        boolean foundTestMethod = false;
        for (StackTraceElement element : exception.getStackTrace()) {
            if (element.getMethodName().contains("testStackTracePreservation")) {

   * the object to an {@code OutputStream}.
   *
   * <p>The {@code close} and {@code flush} methods of the returned {@code OutputStream} do nothing,
   * and no method throws {@code IOException}.
   *
   * @since 13.0
   */
  public static OutputStream asOutputStream(PrimitiveSink sink) {
    return new SinkAsStream(sink);
  }

  // We're testing the is(), isNot(), anyOf(), noneOf() and inRange() methods
  // below by testing their text-processing methods.

  // The organization of this test class is unusual, as it's not done by
  // method, but by overall "scenario". Also, the variety of actual tests we
  // do borders on absurd overkill. Better safe than sorry, though?

  @GwtIncompatible // java.util.BitSet
  public void testSetBits() {