injectProxy(proxySelector, mavenExecutionRequest.getRemoteRepositories());
        injectAuthentication(authenticationSelector, mavenExecutionRequest.getRemoteRepositories());

        injectMirror(mavenExecutionRequest.getPluginArtifactRepositories(), mavenExecutionRequest.getMirrors());

     */
    public boolean isSuccess() {
        return returnCode == 0;
    }

    /**
     * Gets a human-readable error description.
     *
     * @return the error description
     */
    public String getError() {
        return error != null ? error : "Error code: " + returnCode;
    }

    /**
     * Sets the error message.
     *
     * @param error the error message
     */

        this.recommendedHeartbeatInterval = recommendedHeartbeatInterval;
    }

    /**
     * Gets the error message.
     *
     * @return the error message
     */
    public String getError() {
        return error;
    }

    /**
     * Sets the error message.
     *
     * @param error the error message
     */
    public void setError(String error) {
        this.error = error;

     */
    public boolean isSuccess() {
        return returnCode == 0;
    }

    /**
     * Gets a human-readable error description.
     *
     * @return the error description
     */
    public String getError() {
        return error != null ? error : "Error code: " + returnCode;
    }

    /**
     * Sets the error message.
     *
     * @param error the error message
     */

        this.error = error;
        this.completed = true;
    }

    /**
     * Get error if request failed
     *
     * @return exception if failed, null if successful
     */
    public Exception getError() {
        return error;
    }

    /**
     * Check if request failed
     *
     * @return true if failed, false otherwise
     */
    public boolean hasFailed() {

                    return registration;
                } else {
                    String errorMsg = response != null ? response.getError() : "Response was null";
                    throw new IOException("Witness registration failed: " + errorMsg);
                }

            } catch (Exception e) {

        this.artifactUri = artifactUri;
    }

    public String getWhy() {
        return why;
    }

    public void setWhy(String why) {
        this.why = why;
    }

    public String getError() {
        return error;
    }

    public void setError(String error) {
        this.error = error;
    }

    public boolean isError() {
        return error == null;
    }

                    
                    return registration;
                } else {
                    throw new IOException("Witness registration failed: " + response.getError());
                }
                
            } catch (Exception e) {
                log.error("Failed to register for witness notifications", e);
                throw new RuntimeException(e);
            }

        //     <mirrorOf>*</mirrorOf>
        //     <url>http://repository.sonatype.org/content/groups/public</url>
        //   </mirror>
        // </mirrors>

        for (Mirror mirror : settings.getMirrors()) {
            request.addMirror(mirror);
        }

        for (Repository remoteRepository : settings.getRepositories()) {
            try {

                            edge.isResolved(),
                            edge.getTarget() == null
                                    ? null
                                    : edge.getTarget().getMd().getError());
                    MetadataGraphVertex newV = res.addVertex(newMd);
                    MetadataGraphVertex sourceV = res.addVertex(edge.getSource().getMd());

                    res.addEdge(sourceV, newV, edge);