curr fileReader // Reader for current file entry
	blk  block      // Buffer to use as temporary local storage

	// err is a persistent error.
	// It is only the responsibility of every exported method of Reader to
	// ensure that this error is sticky.
	err error
}

type fileReader interface {
	io.Reader
	fileState

	WriteTo(io.Writer) (int64, error)
}

)

// Temp files created in default Tmp dir
var globalTestTmpDir = os.TempDir()

// reseed - returns a new seed every time the function is called.
func reseed() uint32 {
	return uint32(time.Now().UnixNano() + int64(os.Getpid()))
}

// nextSuffix - provides a new unique suffix every time the function is called.
func nextSuffix() string {
	randmu.Lock()
	r := randN
	// Initial seed required, generate one.

    /** Gets the weak value reference held by entry. */
    WeakValueReference<K, V, E> getValueReference();
  }

  @SuppressWarnings("unchecked") // impl never uses a parameter or returns any non-null value
  static <K, V, E extends InternalEntry<K, V, E>>
      WeakValueReference<K, V, E> unsetWeakValueReference() {
    return (WeakValueReference<K, V, E>) UNSET_WEAK_VALUE_REFERENCE;

import org.junit.jupiter.api.AfterEach
import org.junit.jupiter.api.Assumptions.assumeFalse
import org.junit.jupiter.api.BeforeEach
import org.junit.jupiter.api.Disabled
import org.junit.jupiter.api.Test

/**
 * Access every type, function, and property from Kotlin to defend against unexpected regressions in
 * modern 4.0.x kotlin source-compatibility.
 */
@Suppress(
  "ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE",
  "UNUSED_ANONYMOUS_PARAMETER",

import java.util.SortedSet;
import java.util.stream.Collector;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A {@link NavigableSet} whose contents will never change, with many other important properties
 * detailed at {@link ImmutableCollection}.
 *
 * <p><b>Warning:</b> as with any sorted collection, you are strongly advised not to use a {@link

   * This inserts a bunch of synthetic 250 ms delays into both client and server and confirms that
   * the same delays make it back into the events.
   *
   * We've had bugs where we report an event when we request data rather than when the data actually
   * arrives. https://github.com/square/okhttp/issues/5578
   */
  private fun timeToFirstByte() {
    val applicationInterceptorDelay = 250L

// decryption succeeded.
//
// DecryptObjectInfo also returns whether the object is encrypted or not.
func DecryptObjectInfo(info *ObjectInfo, r *http.Request) (encrypted bool, err error) {
	// Directories are never encrypted.
	if info.IsDir {
		return false, nil
	}
	if r == nil {
		return false, errInvalidArgument
	}

	headers := r.Header

	// disallow X-Amz-Server-Side-Encryption header on HEAD and GET

}

func auditLogDecom(ctx context.Context, apiName, bucket, object, versionID string, err error) {
	errStr := ""
	if err != nil {
		errStr = err.Error()
	}
	auditLogInternal(ctx, AuditLogOptions{
		Event:     "decommission",
		APIName:   apiName,
		Bucket:    bucket,
		Object:    object,
		VersionID: versionID,
		Error:     errStr,
	})

	if hasBadPathComponent(object) {
		return false
	}
	if !utf8.ValidString(object) {
		return false
	}
	if strings.Contains(object, `//`) {
		return false
	}
	// This is valid for AWS S3 but it will never
	// work with file systems, we will reject here
	// to return object name invalid rather than
	// a cryptic error from the file system.
	return !strings.ContainsRune(object, 0)
}

        filter(
            unfiltered,
            new Predicate<String>() {
              @Override
              public boolean apply(String s) {
                throw new AssertionFailedError("Should never be evaluated");
              }
            });

    List<String> expected = emptyList();
    List<String> actual = Lists.newArrayList(filtered);
    assertEquals(expected, actual);
  }