}

  // common.base
  @Empty
  <T> com.google.common.base.Optional<T> generateGoogleOptional() {
    return com.google.common.base.Optional.absent();
  }

  @Generates
  <T> com.google.common.base.Optional<T> generateGoogleOptional(T value) {
    return com.google.common.base.Optional.of(value);
  }

  @Generates
  Joiner generateJoiner() {

			destBucket:            "destinationbucket",
			sameTarget:            false,
			expectedParsingErr:    nil,
			expectedValidationErr: nil,
		},
		// 14 role absent in config and destination ARN has target ARN in invalid format
		{

	// Check if config param requested is valid.
	defKVS, ok := DefaultKVS[subSys]
	if !ok {
		return value, cs, isRedacted
	}

	defValue, isFound := defKVS.Lookup(cfgParam)
	// Comments usually are absent from `defKVS`, so we handle it specially.
	if !isFound && cfgParam == Comment {
		defValue, isFound = "", true
	}
	if !isFound {
		return value, cs, isRedacted
	}

	if target == "" {

    }

    @Override
    public Optional<Long> sizeIfKnown() {
      if (file.isFile()) {
        return Optional.of(file.length());
      } else {
        return Optional.absent();
      }
    }

    @Override
    public long size() throws IOException {
      if (!file.isFile()) {
        throw new FileNotFoundException(file.toString());
      }
      return file.length();

		if runtime.GOOS == globalWindowsOSName {
			if filepath.VolumeName(u.Path[1:]) != "" {
				u.Path = u.Path[1:]
			}
		}
	} else {
		// Only check if the arg is an ip address and ask for scheme since its absent.
		// localhost, example.com, any FQDN cannot be disambiguated from a regular file path such as
		// /mnt/export1. So we go ahead and start the minio server in FS modes in these cases.
		if isHostIP(arg) {

    }

    @Override
    public Optional<Long> sizeIfKnown() {
      if (file.isFile()) {
        return Optional.of(file.length());
      } else {
        return Optional.absent();
      }
    }

    @Override
    public long size() throws IOException {
      if (!file.isFile()) {
        throw new FileNotFoundException(file.toString());
      }
      return file.length();

field declaration. An empty tag string is equivalent to an absent tag.
The tags are made visible through a <a href="/pkg/reflect/#StructTag">reflection interface</a>
and take part in <a href="#Type_identity">type identity</a> for structs
but are otherwise ignored.
</p>

<pre>
struct {
	x, y float64 ""  // an empty tag string is like an absent tag
	name string  "any string is permitted as a tag"

        '`'.code,
        '{'.code,
        '|'.code,
        '}'.code,
      ).test(UrlComponentEncodingTester.Component.HOST)
  }

  @Test
  fun hostIpv6() {
    // Square braces are absent from host()...
    assertThat(parse("http://[::1]/").host).isEqualTo("::1")

    // ... but they're included in toString().
    assertThat(parse("http://[::1]/").toString()).isEqualTo("http://[::1]/")

    checkNotNull(predicate);
    while (iterator.hasNext()) {
      T t = iterator.next();
      if (predicate.apply(t)) {
        return Optional.of(t);
      }
    }
    return Optional.absent();
  }

  /**
   * Returns the index in {@code iterator} of the first element that satisfies the provided {@code
   * predicate}, or {@code -1} if the Iterator has no such elements.
   *

    set("k1", "a", "a")
    cache["k1"]!!.use {
      cache.remove("k1")
      assertThat(cache.edit("k1")).isNull()
    }
  }

  @Test
  fun `removed entry absent when iterating`() {
    set("k1", "a", "a")
    cache["k1"]!!.use {
      cache.remove("k1")
      val snapshots = cache.snapshots()
      assertThat(snapshots.hasNext()).isFalse()
    }
  }