public String get(String propertyKey) {
                // Check system properties first (with prefix)
                String systemValue = System.getProperty(Constants.FESS_CONFIG_PREFIX + propertyKey);
                if (systemValue != null) {
                    return systemValue;
                }

                // Return test values for specific properties
                switch (propertyKey) {
                case "domain.title":

    assertEquals("-xx", Strings.padStart("xx", 3, '-'));
  }

  public void testPadStart_negativeMinLength() {
    assertSame("x", Strings.padStart("x", -1, '-'));
  }

  // TODO: could remove if we got NPT working in GWT somehow
  public void testPadStart_null() {
    assertThrows(NullPointerException.class, () -> Strings.padStart(null, 5, '0'));
  }

  public void testPadEnd_noPadding() {

            private int callCount = 0;

            @Override
            public List<FileNotifyInformation> watch() throws CIFSException {
                callCount++;
                if (callCount == 1) {
                    return Arrays.asList(fileNotifyInfo1);
                }
                return Collections.emptyList();
            }

            @Override

        equivalence =
            (set1, set2) -> {
              if (!set1.equals(set2)) {
                return false;
              }
              for (int i = 0; i < set1.size(); i++) {
                if (!set1.asList().get(i).fullEquals(set2.asList().get(i))) {
                  return false;
                }
              }

        CharMappingItem item = new CharMappingItem(1L, new String[] { "temp" }, "output") {
            @Override
            public String getInputsValue() {
                // Simulate null inputs scenario
                if (getInputs() == null) {
                    return super.getInputsValue();
                }
                return super.getInputsValue();
            }
        };

        final Query query = ComponentUtil.getQueryParser().parse(queryContext.getQueryString());
        QueryBuilder builder = queryCommand.convertTermQuery(queryContext, (TermQuery) query, 1.0f);
        if (text.startsWith("sort:")) {
            assertNull(builder);
        } else {
            logger.info("{} => {}", text, builder.toString());
            assertEquals(expectedClass, builder.getClass());

In this case, it's the `str`:

```Python
"{$callback_url}/invoices/{$request.body.id}"
```

So, if your API user (the external developer) sends a request to *your API* to:

```
https://yourapi.com/invoices/?callback_url=https://www.external.org/events
```

with a JSON body of:

```JSON
{

    private SmbTree smbTree;

    @Mock
    private SmbTree mockWrappedTree;

    /**
     * Setup method executed before each test.
     */
    @BeforeEach
    void setUp() {
        // Common setup if needed
    }

    /**
     * Test for unwrap() method with matching type.
     * Verifies that unwrap returns the correct instance when the type matches.
     */
    @Test
    void testUnwrap_withMatchingType() {

    val ping = peer.takeFrame()
    assertThat(ping.type).isEqualTo(Http2.TYPE_PING)
  }

  /**
   * A server RST_STREAM shouldn't prevent the client from consuming the response body, even if it
   * follows a truncated request body.
   */
  @Test fun clientRequestBodyServerResponseBodyRstStream() {
    // Write the mocking script.
    peer.sendFrame().settings(Settings())
    peer.acceptFrame() // ACK

            private CommonServerMessageBlockResponse response;

            @Override
            public int decode(byte[] buffer, int bufferIndex) throws SMBProtocolDecodingException {
                if (buffer == null || buffer.length < bufferIndex + 4) {
                    throw new SMBProtocolDecodingException("Buffer too small");
                }
                return 4;
            }

            @Override