private final Consumer<String> outputCallback;

    /**
     * Creates a new input stream thread.
     *
     * @param is the input stream to read from
     * @param charset the character encoding to use for reading
     * @param bufferSize the maximum number of lines to keep in the buffer (0 to disable buffering)
     * @param outputCallback optional callback function to process each line (can be null)
     */

  @BeforeExperiment
  void setUp() {
    random = new Random(0xdeadbeef); // fix the seed so results are comparable across runs

    int nonAlpha = size / nonAlphaRatio;
    int alpha = size - nonAlpha;

    List<Character> chars = Lists.newArrayListWithCapacity(size);
    for (int i = 0; i < alpha; i++) {
      chars.add(randomAlpha());
    }
    for (int i = 0; i < nonAlpha; i++) {
      chars.add(randomNonAlpha());
    }

func errLexerInvalidChar(err error) *s3Error {
	return &s3Error{
		code:       "LexerInvalidChar",
		message:    "The SQL expression contains an invalid character.",
		statusCode: 400,
		cause:      err,
	}
}

func errLexerInvalidOperator(err error) *s3Error {
	return &s3Error{
		code:       "LexerInvalidOperator",

         * extension should be file and URL path friendly, and may differ from algorithm name.
         * The checksum extension SHOULD NOT contain dot (".") character.
         * Example: "sha1".
         */
        @Nonnull
        String getFileExtension();

        /**

 * reducing the overhead of repeated cipher initialization. It supports both string-based keys
 * and {@link Key} objects, with configurable algorithms and character encodings.
 * </p>
 * <p>
 * <strong>Key Features:</strong>
 * </p>
 * <ul>
 * <li>Thread-safe cipher pooling using {@link ConcurrentLinkedQueue}</li>

        *   `standardize="lower"` will lowercase inputs.
        *   `standardize="string_punctuation"` will remove all punctuation.
        *   `split="character"` will split on every unicode character.
    *   Added an `output_mode` argument to the `Discretization` and `Hashing`
        layers with the same semantics as other preprocessing layers. All

    }

    /**
     * Determines the configuration type from a given config ID.
     * The config type is identified by the first character of the config ID.
     *
     * @param configId the configuration ID to analyze
     * @return the ConfigType (WEB, FILE, or DATA) or null if the config ID is invalid or doesn't match any known type
     */

   * ("constant tables"). Example:
   *
   * {@snippet :
   * static final ImmutableTable<Integer, Character, String> SPREADSHEET =
   *     new ImmutableTable.Builder<Integer, Character, String>()
   *         .put(1, 'A', "foo")
   *         .put(1, 'B', "bar")
   *         .put(2, 'A', "baz")
   *         .buildOrThrow();
   * }
   *

 */
public class PopularWordHelper {
    /** Logger instance for this class */
    private static final Logger logger = LogManager.getLogger(PopularWordHelper.class);

    /** Character used to separate cache key components */
    protected static final char CACHE_KEY_SPLITTER = '\n';

    /** Cache for storing popular word lists */
    protected Cache<String, List<String>> cache;

	if atEOF {
		return len(data), dropCR(data), nil
	}
	// Request more data.
	return 0, nil, nil
}

// isSpace reports whether the character is a Unicode white space character.
// We avoid dependency on the unicode package, but check validity of the implementation
// in the tests.
func isSpace(r rune) bool {
	if r <= '\u00FF' {