}

  static ParseRequest fromString(String stringValue) {
    if (stringValue.length() == 0) {
      throw new NumberFormatException("empty string");
    }

    // Handle radix specifier if present
    String rawValue;
    int radix;
    char firstChar = stringValue.charAt(0);
    if (stringValue.startsWith("0x") || stringValue.startsWith("0X")) {
      rawValue = stringValue.substring(2);
      radix = 16;

   */
  @CanIgnoreReturnValue
  public static long decode(String stringValue) {
    ParseRequest request = ParseRequest.fromString(stringValue);

    try {
      return parseUnsignedLong(request.rawValue, request.radix);
    } catch (NumberFormatException e) {
      NumberFormatException decodeException =
          new NumberFormatException("Error parsing value: " + stringValue);
      decodeException.initCause(e);

        assertNull(dataStoreParams.get("nonexistent"));
    }

    // Test getAsString with String value
    public void test_getAsStringWithStringValue() {
        dataStoreParams.put("stringKey", "stringValue");
        assertEquals("stringValue", dataStoreParams.getAsString("stringKey"));
    }

    // Test getAsString with non-String value
    public void test_getAsStringWithNonStringValue() {
        dataStoreParams.put("intKey", 123);

   */
  @CanIgnoreReturnValue
  public static int decode(String stringValue) {
    ParseRequest request = ParseRequest.fromString(stringValue);

    try {
      return parseUnsignedInt(request.rawValue, request.radix);
    } catch (NumberFormatException e) {
      NumberFormatException decodeException =
          new NumberFormatException("Error parsing value: " + stringValue);
      decodeException.initCause(e);

    }

    public void test_setObject_withDifferentTypes() {
        // Test setObject with different object types
        try {
            WebApiUtil.setObject("stringValue", "test");
            WebApiUtil.setObject("intValue", 123);
            WebApiUtil.setObject("booleanValue", true);
            WebApiUtil.setObject("objectValue", new Object());

            // Test with collections