/**
     * Gets the system properties to use for interpolation and profile activation. The system properties are collected
     * from the runtime environment like {@link System#getProperties()} and environment variables.
     *
     * @return The system properties, never {@code null}.
     */
    Properties getSystemProperties();

    /**

 */
@Deprecated(since = "4.0.0")
public interface DependencyResolutionRequest {

    /**
     * Gets the project to resolve dependencies for.
     *
     * @return The project to resolve dependencies for or {@code null} if not set.
     */
    MavenProject getMavenProject();

    /**
     * Sets the project to resolve dependencies for.
     *

        this.flags = flags;
        this.sessionId = sessionId;
    }

    /**
     * Gets the signature or authentication tag for the encrypted message
     *
     * @return the signature/authentication tag
     */
    public byte[] getSignature() {
        return this.signature;
    }

    /**
     * Sets the signature or authentication tag for the encrypted message
     *
     * @param signature

        }
    }

    /**
     * Gets the URL for this request.
     * @return the URL
     */
    public String getUrl() {
        return url;
    }

    /**
     * Sets the URL for this request.
     * @param url the URL
     */
    public void setUrl(final String url) {
        this.url = url;
    }

    /**
     * Gets the weight/priority of this request.
     * @return the weight

        super(config, command);
        this.subCommand = subcommand;
    }

    /**
     * Gets the data count for this transaction response
     * @return the dataCount
     */
    protected final int getDataCount() {
        return this.dataCount;
    }

    /**
     * Sets the data count for this transaction response
     * @param dataCount
     *            the dataCount to set
     */

    }

    /**
     * Sets the context handle for the async notify request.
     *
     * @param contextHandle the context handle from registration
     */
    public void setContextHandle(byte[] contextHandle) {
        this.contextHandle = contextHandle != null ? contextHandle.clone() : null;
    }

    /**
     * Gets the context handle.
     *
     * @return the context handle
     */

     */
    @Override
    MetadataResolutionRequest setOffline(boolean offline);

    /**
     * Gets the artifact to resolve metadata for.
     *
     * @return The artifact to resolve metadata for or {@code null} if not set.
     */
    Artifact getArtifact();

    /**
     * Sets the artifact for which to resolve metadata.
     *
     * @param artifact The artifact for which to resolve metadata.

    protected String getCharSet(final File file) {
        return charset;
    }

    /**
     * Gets the character encoding used for FTP operations.
     *
     * @return The character encoding
     */
    public String getCharset() {
        return charset;
    }

    /**
     * Sets the character encoding used for FTP operations.
     *
     * @param charset The character encoding to set
     */

    }

    private String registrationId;
    private byte[] contextHandle;

    /**
     * Gets the registration ID to unregister.
     *
     * @return the registration ID
     */
    public String getRegistrationId() {
        return registrationId;
    }

    /**
     * Sets the registration ID to unregister.
     *
     * @param registrationId the registration ID
     */

            // create
            newInput = input;
            newOutput = output;
        }
    }

    /**
     * Gets the new input word.
     *
     * @return The new input word.
     */
    public String getNewInput() {
        return newInput;
    }

    /**
     * Sets the new input word.
     *
     * @param newInput The new input word.
     */
    public void setNewInput(final String newInput) {