* writer each time it is called.
   *
   * <p>The caller is responsible for ensuring that the returned writer is closed.
   *
   * @throws IOException if an I/O error occurs while opening the writer
   */
  public abstract Writer openStream() throws IOException;

  /**
   * Opens a new buffered {@link Writer} for writing to this sink. The returned stream is not

        throw new UnsupportedOperationException("Cannot get available versions in this test case");
    }

    public ResolutionGroup retrieve(MetadataResolutionRequest request) throws ArtifactMetadataRetrievalException {
        return retrieve(request.getArtifact(), request.getLocalRepository(), request.getRemoteRepositories());
    }

        if ( !valid ) {
            log.error("Server returned invalid hash selection");
            return false;
        }
        return true;
    }


    private static boolean checkEncryptionContext ( Smb2NegotiateRequest req, EncryptionNegotiateContext ec ) {
        if ( ec.getCiphers() == null || ec.getCiphers().length != 1 ) {
            log.error("Server returned no cipher selection");
            return false;

     * ClosingFuture)}.
     *
     * @param <V1> the type returned by the first future
     * @param <V2> the type returned by the second future
     * @param <V3> the type returned by the third future
     * @param <V4> the type returned by the fourth future
     * @param <V5> the type returned by the fifth future
     * @param <U> the type returned by the function
     */
    public interface ClosingFunction5<

   * returned ordering is based on the state of the {@code comparators} iterable at the time it was
   * provided to this method.
   *
   * <p>The returned ordering is equivalent to that produced using {@code
   * Ordering.from(comp1).compound(comp2).compound(comp3) . . .}.
   *
   * <p>The returned object is serializable if each of the {@code comparators} is serializable.
   *

import (
	"fmt"
	"net/http"
)

var (
	// ErrPermission is an error returned by the KMS when it has not
	// enough permissions to perform the operation.
	ErrPermission = Error{
		Code:    http.StatusForbidden,
		APICode: "kms:NotAuthorized",
		Err:     "insufficient permissions to perform KMS operation",
	}

	// ErrKeyExists is an error returned by the KMS when trying to
	// create a key that already exists.

   * this range map are guaranteed to read through to the returned {@code Map}.
   *
   * <p>The returned {@code Map} iterates over entries in ascending order of the bounds of the
   * {@code Range} entries.
   *
   * <p>It is guaranteed that no empty ranges will be in the returned {@code Map}.
   */
  Map<Range<K>, V> asMapOfRanges();

  /**

                                    // We retrieve the POM below in the retrieval step.
                                    manageArtifact(child, managedVersions, listeners);

                                    // Also, we need to ensure that any exclusions it presents are
                                    // added to the artifact before we retrieve the metadata

  /**
   * Returns a fluent iterable that combines several iterables. The returned iterable has an
   * iterator that traverses the elements of each iterable in {@code inputs}. The input iterators
   * are not polled until necessary.
   *
   * <p>The returned iterable's iterator supports {@code remove()} when the corresponding input
   * iterator supports it. The methods of the returned iterable may throw {@code

    assertTrue(
        "non-empty multiset.entrySet() iterator.hasNext() returned false", iterator.hasNext());
    assertEquals(
        "multiset.entrySet() iterator.next() returned incorrect entry",
        Multisets.immutableEntry(e0(), 1),
        iterator.next());
    assertFalse(
        "size 1 multiset.entrySet() iterator.hasNext() returned true after next()",
        iterator.hasNext());
    iterator.remove();