import java.io.FilterOutputStream;
import java.io.IOException;
import java.io.OutputStream;

/**
 * An implementation of {@link DataOutput} that uses little-endian byte ordering for writing {@code
 * char}, {@code short}, {@code int}, {@code float}, {@code double}, and {@code long} values.
 *
 * <p><b>Note:</b> This class intentionally violates the specification of its supertype {@code

        scanner.next();
    }

    private void parseHtmlEncodedChar(StringBuilder buffer) {
        scanner.next(2);
        scanner.mark();
        scanner.find(';');
        String value = new String(new char[]{(char) Integer.parseInt(scanner.region())});
        buffer.append(value);
        scanner.next();
    }

    private void parseJavadocTag(TokenVisitor visitor) {
        // start of tag marker

        for (int i = 0; i < version.length(); i++) {
            char character = version.charAt(i);
            int c = character;
            if (Character.isHighSurrogate(character)) {
                // read the next character as a low surrogate and combine into a single int
                try {
                    char low = version.charAt(i + 1);
                    char[] both = {character, low};

    @Override
    public Appendable append(CharSequence csq) {
      result.append(csq);
      return this;
    }

    @Override
    public Appendable append(char c) {
      result.append(c);
      return this;
    }

    @Override
    public Appendable append(CharSequence csq, int start, int end) {
      result.append(csq, start, end);
      return this;
    }

  return endIndex
}

/**
 * Returns the index of the first character in this string that is [delimiter]. Returns [endIndex]
 * if there is no such character.
 */
fun String.delimiterOffset(
  delimiter: Char,
  startIndex: Int = 0,
  endIndex: Int = length,
): Int {
  for (i in startIndex until endIndex) {
    if (this[i] == delimiter) return i
  }
  return endIndex
}

/**

        }
    }

    private
    fun boundOf(wildcard: Char) =
        when (wildcard) {
            '+' -> Variance.COVARIANT
            '-' -> Variance.CONTRAVARIANT
            else -> Variance.INVARIANT
        }
}


private
fun binaryNameOfBaseType(descriptor: Char) =
    Type.getType(descriptor.toString()).className


private

    BufferedReader reader = source.openBufferedStream();
    assertTrue(source.wasStreamOpened());
    assertFalse(source.wasStreamClosed());

    StringWriter writer = new StringWriter();
    char[] buf = new char[64];
    int read;
    while ((read = reader.read(buf)) != -1) {
      writer.write(buf, 0, read);
    }
    reader.close();
    writer.close();

    assertTrue(source.wasStreamClosed());

  TF_DeletePluggableDeviceLibraryHandle(lib);
#endif  // !defined(TENSORFLOW_NO_SHARED_OBJECTS)
#endif  // !defined(PLATFORM_WINDOWS)
}

void DefineFunction(const char* name, TF_Function** func,
                    const char* description = nullptr,
                    bool append_hash = false) {
  std::unique_ptr<TF_Graph, decltype(&TF_DeleteGraph)> func_graph(
      TF_NewGraph(), TF_DeleteGraph);

    sb.ensureCapacity(size);
    for (int k = 0; k < size; k++) {
      // [9-127) includes all ascii non-control characters
      sb.append((char) (random.nextInt(127 - 9) + 9));
    }
    data = sb.toString();
  }

  @Benchmark
  public long timeCopy(int reps) throws IOException {
    long r = 0;
    String localData = data;

import static java.nio.charset.StandardCharsets.UTF_8;

import java.io.IOException;
import java.io.InputStreamReader;
import java.io.Reader;
import org.jspecify.annotations.NullUnmarked;

/**
 * A char source for testing that has configurable options.
 *
 * @author Colin Decker
 */
@NullUnmarked
public class TestCharSource extends CharSource implements TestStreamSupplier {

  private final TestByteSource byteSource;