* method provides an atomic compare-and-update of some key's value.
     *
     * @param key the key under which to store the session data, must not be {@code null}
     * @param oldValue the expected data currently associated with the key, may be {@code null}
     * @param newValue the data to associate with the key, may be {@code null} to remove the mapping

     * Do not instantiate.
     */
    protected WriterUtil() {
    }

    /**
     * Creates a {@link Writer} to output to a stream with the specified encoding.
     *
     * @param os the stream (must not be {@literal null})
     * @param encoding the encoding (must not be {@literal null} or empty)
     * @return a {@link Writer} to output to the stream
     */

public interface ArtifactInstaller extends Service {
    /**
     * @param request {@link ArtifactInstallerRequest}
     * @throws ArtifactInstallerException in case of an error
     * @throws IllegalArgumentException in case {@code request} is {@code null}
     */
    void install(@Nonnull ArtifactInstallerRequest request);

    /**
     * @param session the repository session
     * @param artifact the {@link ProducedArtifact} to install

        // TODO Auto-generated method stub
        return null;
    }

    /**
     * Generates a Type 3 NTLM message.
     * @param username The username.
     * @param password The password.
     * @param domain The domain.
     * @param workstation The workstation.
     * @param challenge The Type 2 challenge message.
     * @return The Type 3 message.
     * @throws NTLMEngineException if an NTLM engine error occurs.
     */

     * and sets the AuthScheme to null.
     * @param authScope The authentication scope.
     * @param credentials The credentials.
     */
    public AuthenticationImpl(final AuthScope authScope, final Credentials credentials) {
        this(authScope, credentials, null);
    }

    /**
     * Initializes the AuthenticationImpl with the provided AuthScope, Credentials, and AuthScheme.
     * @param authScope The authentication scope.

     *
     * @param message the error message
     * @param cause the underlying cause of this exception
     */
    public DataStoreException(final String message, final Throwable cause) {
        super(message, cause);
    }

    /**
     * Creates a new DataStoreException with the specified message.
     *
     * @param message the error message
     */

     *
     * @param documentList the list of documents returned by the search
     * @param allRecordCount the total number of records in the search result set
     * @param allRecordCountRelation the relation type for the total record count
     * @param queryTime the time taken to execute the search query in milliseconds
     * @param partialResults flag indicating whether the results are partial

     * potential NTLM fallback (if the server does not support kerberos).
     *
     * @param subject
     *            represents the user who perform Kerberos authentication. Should at least contain a TGT for the user.
     * @param domain
     *            domain for NTLM fallback
     * @param username
     *            user for NTLM fallback
     * @param password
     *            password for NTLM fallback
     */

            }
        }
        return null;
    }

    /**
     * Gets a DFS referral for the specified path
     * @param trans the SMB transport to use
     * @param domain the domain name
     * @param root the DFS root
     * @param path the path to resolve
     * @param auth the authentication credentials
     * @return a DFS referral or null if not found
     * @throws SmbAuthException if authentication fails

     *
     * @param propertyName
     *            The property name. Must not be {@literal null} or an empty string.
     * @param propertyType
     *            The property type. Must not be {@literal null}.
     * @param readMethod
     *            The getter method.
     * @param writeMethod
     *            The setter method.
     * @param beanDesc