boolean haveBeenCalled;

          @Override
          public Integer computeNext() {
            if (haveBeenCalled) {
              throw new AssertionError("Should not have been called again");
            } else {
              haveBeenCalled = true;
              throw sneakyThrow(new SomeCheckedException());
            }
          }
        };

        // Act & Assert: test with different file names
        assertTrue(filter.accept(mockDir, "document.txt"), "Should accept .txt files in the correct path");
        assertFalse(filter.accept(mockDir, "image.png"), "Should reject non-.txt files");
        assertFalse(filter.accept(mockDir, null), "Should reject null names");

        // Verify getPath was called three times (once for each accept call)
        verify(mockDir, times(3)).getPath();

	b.r++
	b.lastByte = int(c)
	return c, nil
}

// UnreadByte unreads the last byte. Only the most recently read byte can be unread.
//
// UnreadByte returns an error if the most recent method called on the
// [Reader] was not a read operation. Notably, [Reader.Peek], [Reader.Discard], and [Reader.WriteTo] are not
// considered read operations.
func (b *Reader) UnreadByte() error {

import org.jspecify.annotations.NullMarked;

/**
 * A Ticker whose value can be advanced programmatically in test.
 *
 * <p>The ticker can be configured so that the time is incremented whenever {@link #read} is called:
 * see {@link #setAutoIncrementStep}.
 *
 * <p>This class is thread-safe.
 *
 * @author Jige Yu
 * @since 10.0
 */
@NullMarked
@GwtCompatible
public class FakeTicker extends Ticker {

  }

  /**
   * Returns an iterable whose iterator returns the given elements in order. The elements are copied
   * out of the source collection at the time this method is called.
   */
  @SuppressWarnings("unchecked") // Es come in, Es go out
  public static <E extends @Nullable Object> MinimalIterable<E> from(Collection<E> elements) {
    return (MinimalIterable) of(elements.toArray());
  }

/// note | Technical Details

Data from forms is normally encoded using the "media type" `application/x-www-form-urlencoded`.

But when the form includes files, it is encoded as `multipart/form-data`. You'll read about handling files in the next chapter.

          }

          @Override
          @ParametricNullness
          public T next() {
            T result = iterator.next();
            atStart = false; // not called if next() fails
            return result;
          }

          @Override
          public void remove() {
            checkRemove(!atStart);
            iterator.remove();
          }
        };

programs which are used unmodified in performing those activities but
which are not part of the work.  For example, Corresponding Source
includes interface definition files associated with source files for
the work, and the source code for shared libraries and dynamically
linked subprograms that the work is specifically designed to require,
such as by intimate data communication or control flow between those

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

    /**
     * Initializes the facet query view with default file type queries.
     * This method is called after dependency injection to set up file type facets
     * and register all queries with the FacetInfo component.
     */
    @PostConstruct
    public void init() {

    } catch (NoSuchMethodException e) {
      throw new AssertionError();
    }
  }

  /**
   * Records the provided object in {@link #methodArgument} and sets {@link #methodCalled}. This
   * method is called reflectively by Subscriber during tests, and must remain public.
   *
   * @param arg argument to record.
   */
  @Subscribe
  public void recordingMethod(Object arg) {
    assertFalse(methodCalled);