import org.codehaus.plexus.component.repository.exception.ComponentRepositoryException;
import org.codehaus.plexus.configuration.PlexusConfigurationException;

/**
 * Exception which occurs to indicate that the plugin cannot be initialized due
 * to some deeper problem with Plexus. Context information includes the groupId,
 * artifactId, and version for the plugin; at times, the goal name for which

   * its runtime check.
   *
   * <p>An example use case for this method is in implementing an {@code Iterator<T>} whose {@code
   * next} field is lazily initialized. The type of that field would be {@code @Nullable T}, and the
   * code would be responsible for populating a "real" {@code T} (which might still be the value

		if err != nil {
			writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue,
				fmt.Errorf("Error processing %s parameter: %v", stsRoleArn, err))
			return
		}
	}

	if !globalIAMSys.Initialized() {
		writeSTSErrorResponse(ctx, w, ErrSTSIAMNotInitialized, errIAMNotInitialized)
		return
	}

	// Validate JWT; check clientID in claims matches the one associated with the roleArn

		{STANDARD, 16, 10, 6},
		{"", 16, 9, 7},
	}
	for i, tt := range tests {
		scfg := Config{
			Standard: StorageClass{
				Parity: 8,
			},
			RRS: StorageClass{
				Parity: 2,
			},
			initialized: true,
		}
		// Set env var for test case 4
		if i+1 == 4 {
			scfg.RRS.Parity = 7
		}
		// Set env var for test case 5
		if i+1 == 5 {
			scfg.Standard.Parity = 6
		}

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package once

import (
	"context"
	"sync"
	"sync/atomic"
)

// Inspired from Golang sync.Once but it is only marked
// initialized when the provided function returns nil.

// Init represents the structure.
type Init struct {
	done uint32
	m    sync.Mutex
}

// Do is similar to sync.Once.Do - makes one successful

    RegularLinearTransformation(double slope, double yIntercept) {
      this.slope = slope;
      this.yIntercept = yIntercept;
      this.inverse = null; // to be lazily initialized
    }

    RegularLinearTransformation(double slope, double yIntercept, LinearTransformation inverse) {
      this.slope = slope;
      this.yIntercept = yIntercept;
      this.inverse = inverse;
    }

    // permissions.
    // submit()/join() causes this thread to execute the task instead, so we use a CountDownLatch as
    // a barrier to synchronize.
    // TODO(cpovirk): If some other test already initialized commonPool(), this won't work :(
    // Maybe we should just run this test in its own VM.
    ForkJoinPool.commonPool()
        .execute(
            () -> {
              try {

public class AbstractListTester<E extends @Nullable Object> extends AbstractCollectionTester<E> {
  /*
   * Previously we had a field named list that was initialized to the value of
   * collection in setUp(), but that caused problems when a tester changed the
   * value of list or collection but not both.
   */
  protected final List<E> getList() {
    return (List<E>) collection;

	r.mutex.Lock()
	defer r.mutex.Unlock()

	if r.refs == 0 {
		return os.ErrInvalid
	}

	r.refs--
	if r.refs == 0 {
		err = r.File.Close()
	}

	return err
}

// Provides a new initialized read locked struct from *os.File
func newRLockedFile(lkFile *LockedFile) (*RLockedFile, error) {
	if lkFile == nil {
		return nil, os.ErrInvalid
	}

	return &RLockedFile{
		LockedFile: lkFile,
		refs:       1,

 * Get rid of them after debugging
 *
 */
@Deprecated
public class MetadataResolutionResult {
    MetadataTreeNode treeRoot;

    /**
     * these components are initialized on demand by
     * explicit call of the initTreeProcessing()
     */
    ClasspathTransformation classpathTransformation;

    GraphConflictResolver conflictResolver;