CacheBuilder.newBuilder().concurrencyLevel(1).maximumSize(10).build(loader);
    CacheTesting.warmUp(cache, 0, 10);
    Set<Integer> keySet = cache.asMap().keySet();
    assertThat(keySet).containsExactly(0, 1, 2, 3, 4, 5, 6, 7, 8, 9);

    // re-order
    getAll(cache, asList(0, 1, 2));
    CacheTesting.drainRecencyQueues(cache);
    assertThat(keySet).containsExactly(3, 4, 5, 6, 7, 8, 9, 0, 1, 2);

    // evict 3, 4, 5

  public enum SampleMatcherConfig {
    WHITESPACE(CharMatcher.whitespace(), WHITESPACE_CHARACTERS),
    HASH(CharMatcher.is('#'), "#"),
    ASCII(CharMatcher.ascii(), ASCII_CHARACTERS),
    WESTERN_DIGIT("0123456789"),
    ALL_DIGIT(CharMatcher.digit(), ALL_DIGITS),
    OPS_5("+-*/%"),
    HEX_16(CharMatcher.inRange('0', '9').or(CharMatcher.inRange('A', 'F')), "0123456789ABCDEF"),
    HEX_22(
        CharMatcher.inRange('0', '9')

  public enum SampleMatcherConfig {
    WHITESPACE(CharMatcher.whitespace(), WHITESPACE_CHARACTERS),
    HASH(CharMatcher.is('#'), "#"),
    ASCII(CharMatcher.ascii(), ASCII_CHARACTERS),
    WESTERN_DIGIT("0123456789"),
    ALL_DIGIT(CharMatcher.digit(), ALL_DIGITS),
    OPS_5("+-*/%"),
    HEX_16(CharMatcher.inRange('0', '9').or(CharMatcher.inRange('A', 'F')), "0123456789ABCDEF"),
    HEX_22(
        CharMatcher.inRange('0', '9')

  public void testTruncateIllegalArguments() {
    assertThrows(IllegalArgumentException.class, () -> Ascii.truncate("foobar", 2, "..."));

    assertThrows(IllegalArgumentException.class, () -> Ascii.truncate("foobar", 8, "1234567890"));

    assertThrows(IllegalArgumentException.class, () -> Ascii.truncate("foobar", -1, "..."));

    assertThrows(IllegalArgumentException.class, () -> Ascii.truncate("foobar", -1, ""));
  }

    tokens = json.loads(id_token_response.text)
    id_token = tokens['id_token']

    response = sts_client.assume_role_with_web_identity(
        RoleArn='arn:aws:iam::123456789012:user/svc-internal-api',
        RoleSessionName='test',
        WebIdentityToken=id_token,
        DurationSeconds=3600
    )

    s3_resource = boto3.resource('s3',

		Parts:            nil,
		Erasure: ErasureInfo{
			Algorithm:    ReedSolomon.String(),
			DataBlocks:   4,
			ParityBlocks: 2,
			BlockSize:    10000,
			Index:        1,
			Distribution: []int{1, 2, 3, 4, 5, 6, 7, 8},
			Checksums: []ChecksumInfo{{
				PartNumber: 1,
				Algorithm:  HighwayHash256S,
				Hash:       nil,
			}},
		},
		MarkDeleted:      false,
		NumVersions:      1,
		SuccessorModTime: time.Time{},

	// Output:
	// -gopher!
	// "go-gopher!"
	// go-gopher
	// go-gopher!
}

func ExampleTrimLeft() {
	fmt.Print(string(bytes.TrimLeft([]byte("453gopher8257"), "0123456789")))
	// Output:
	// gopher8257
}

func ExampleTrimLeftFunc() {
	fmt.Println(string(bytes.TrimLeftFunc([]byte("go-gopher"), unicode.IsLetter)))

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DataOutputStream out = new DataOutputStream(baos);

    /* Write out various test values NORMALLY */
    out.write(new byte[] {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}); // 10 bytes of junk to skip
    initializeData(out);

    byte[] data = baos.toByteArray();

    DataInput in = new LittleEndianDataInputStream(new ByteArrayInputStream(data));
    int bytesSkipped = 0;

 *
 * @author Kevin Bourrillion
 */
@NullUnmarked
public class AsciiBenchmark {
  private static final String ALPHA = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
  private static final String NONALPHA = "0123456789`~-_=+[]{}|;:',.<>/?!@#$%^&*()\"\\";

  @Param({"20", "2000"})
  int size;

  @Param({"2", "20"})
  int nonAlphaRatio; // one non-alpha char per this many chars

  @Param boolean noWorkToDo;

 *
 * @author Kevin Bourrillion
 */
@NullUnmarked
public class AsciiBenchmark {
  private static final String ALPHA = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
  private static final String NONALPHA = "0123456789`~-_=+[]{}|;:',.<>/?!@#$%^&*()\"\\";

  @Param({"20", "2000"})
  int size;

  @Param({"2", "20"})
  int nonAlphaRatio; // one non-alpha char per this many chars

  @Param boolean noWorkToDo;