* exception, every unchecked exception as an unchecked exception, and every error as an error. In
   * addition, the cause of any {@code ExecutionException} is wrapped in order to ensure that the
   * new stack trace matches that of the current thread.
   *
   * <p>Instances of {@code exceptionClass} are created by choosing an arbitrary public constructor

 * outside the ASCII character range. Unlike HTML escaping the XML escapers will not escape
 * non-ASCII characters to their numeric entity replacements. These XML escapers provide the minimal
 * level of escaping to ensure that the output can be safely included in a Unicode XML document.
 *
 * <p>For details on the behavior of the escapers in this class, see sections <a
 * href="http://www.w3.org/TR/2008/REC-xml-20081126/#charsets">2.2</a> and <a

 *   <li>Events for the different listeners are dispatched concurrently.
 *   <li>All events for a given listener dispatch on the provided executor.
 *   <li>It is easy for the user to ensure that listeners are never invoked while holding locks.
 * </ul>
 *
 * The last point is subtle. Often the observable object will be managing its own internal state

        assertNull(emptyOptional.orElse(null));
    }

    public void test_ofNullable_multipleTypesInSequence() {
        // Test multiple different types in sequence to ensure type safety
        OptionalEntity<String> stringOpt = OptionalUtil.ofNullable("string");
        OptionalEntity<Integer> intOpt = OptionalUtil.ofNullable(42);

      TestCharSource okSource = new TestCharSource(STRING);
      assertThrows(IOException.class, () -> okSource.copyTo(new TestCharSink(option)));
      // ensure reader was closed IF it was opened (depends on implementation whether or not it's
      // opened at all if sink.newWriter() throws).
      assertTrue(
          "stream not closed when copying to sink with option: " + option,

 *   <li>{@link IORuntimeException} - Thrown if there are I/O errors during file operations.</li>
 * </ul>
 *
 * <p>Thread Safety:
 * This class uses synchronization to ensure thread-safe access to the properties.
 *
 * @see Properties
 */
public class DynamicProperties extends Properties {

    private static final long serialVersionUID = 1L;

    /**

    }

    /**
     * Starts a new process with the given session ID, command list, buffer size, and output callback.
     * This method is synchronized to ensure thread safety when managing processes.
     *
     * @param sessionId unique identifier for the process session
     * @param cmdList list of command and arguments to execute

      TestCharSource okSource = new TestCharSource(STRING);
      assertThrows(IOException.class, () -> okSource.copyTo(new TestCharSink(option)));
      // ensure reader was closed IF it was opened (depends on implementation whether or not it's
      // opened at all if sink.newWriter() throws).
      assertTrue(
          "stream not closed when copying to sink with option: " + option,

            + "the fact that the shadowed ReadLock and WriteLock are never used or "
            + "exposed by the superclass implementation. If the implementation has "
            + "changed, the code must be re-inspected to ensure that the "
            + "assumption is still valid.",
        24,
        ReentrantReadWriteLock.class.getMethods().length);
  }

  private enum MyOrder {
    FIRST,
    SECOND,
    THIRD;
  }

            + "the fact that the shadowed ReadLock and WriteLock are never used or "
            + "exposed by the superclass implementation. If the implementation has "
            + "changed, the code must be re-inspected to ensure that the "
            + "assumption is still valid.",
        24,
        ReentrantReadWriteLock.class.getMethods().length);
  }

  private enum MyOrder {
    FIRST,
    SECOND,
    THIRD;
  }