func (e Error) Unwrap() error { return e.cause }

// Error 'error' compatible method.
func (e Error) Error() string {
	if e.msg == "" {
		return "crypto: cause <nil>"
	}
	return e.msg
}

var (
	// ErrInvalidEncryptionMethod indicates that the specified SSE encryption method
	// is not supported.
	ErrInvalidEncryptionMethod = Errorf("The encryption method is not supported")

# Lernen

Hier finden Sie die einführenden Kapitel und Tutorials zum Erlernen von **FastAPI**.

    /**
     * Returns the project packaging.
     * <p>
     * Note: unlike in legacy code, logical checks against string representing packaging (returned by this method)
     * are NOT recommended (code like {@code "pom".equals(project.getPackaging)} must be avoided). Use method
     * {@link #getArtifacts()} to gain access to POM or build artifact.
     *
     * @see #getArtifacts()
     */
    @Nonnull
    Packaging getPackaging();

import com.google.common.collect.ImmutableMultimap;
import com.google.common.util.concurrent.Service.State;

/**
 * Superinterface of {@link ServiceManager} to introduce a bridge method for {@code
 * servicesByState()}, to ensure binary compatibility with older Guava versions that specified
 * {@code servicesByState()} to return {@code ImmutableMultimap}.
 */
@J2ktIncompatible
@GwtIncompatible

# FinalizableReferenceQueue is unused.
-keepnames class com.google.common.base.internal.Finalizer {
  *** startFinalizer(...);
}
# However, it cannot "spot" that this method needs to be kept IF the class is.
-keepclassmembers class com.google.common.base.internal.Finalizer {
  *** startFinalizer(...);
}
-keepnames class com.google.common.base.FinalizableReference {
  void finalizeReferent();

    return new NullRemovalListener<>();
  }

  /** Type-inferring factory method for creating a {@link QueuingRemovalListener}. */
  @GwtIncompatible // ConcurrentLinkedQueue
  static <K, V> QueuingRemovalListener<K, V> queuingRemovalListener() {
    return new QueuingRemovalListener<>();
  }

  /** Type-inferring factory method for creating a {@link CountingRemovalListener}. */

         * here, too, so that we don't need to also suppress an AndroidApiChecker error.
         */

        Method currentMethod = processHandleClass.getMethod("current");
        Method infoMethod = processHandleClass.getMethod("info");
        Method userMethod = processHandleInfoClass.getMethod("user");
        Method orElseMethod = optionalClass.getMethod("orElse", Object.class);

        Object current = currentMethod.invoke(null);

    @Override
    @CheckForNull
    protected EndpointPair<N> computeNext() {
      while (true) {
        /*
         * requireNonNull is safe because visitedNodes isn't cleared until this method calls
         * endOfData() (after which this method is never called again).
         */
        requireNonNull(visitedNodes);
        while (successorIterator.hasNext()) {
          N otherNode = successorIterator.next();

  }

  /**
   * Returns the {@link Method} instance for {@link #testPutAll_nullKeyUnsupported()} so that tests
   * can suppress it with {@code FeatureSpecificTestSuiteBuilder.suppressing()} until <a
   * href="http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=5045147">Sun bug 5045147</a> is fixed.
   */
  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static Method getPutAllNullKeyUnsupportedMethod() {

    IDTYPE getId();

    void setId(IDTYPE id);

    String getSessionId();

    void setSessionId(String sessionId);

    String getMethod();

    void setMethod(String method);

    String getUrl();

    void setUrl(String url);

    String getMetaData();

    void setMetaData(String metaData);

    String getEncoding();

    void setEncoding(String encoding);