/**
     * Gets the identifier of the extension.
     *
     * @return The extension id in the form {@code <groupId>:<artifactId>:<version>}, never {@code null}.
     */
    public String getId() {
        StringBuilder id = new StringBuilder(128);

        id.append((getGroupId() == null) ? "[unknown-group-id]" : getGroupId());
        id.append(":");

            if (StringUtil.isBlank(userCode)) {
                userCode = getUserCodeFromUserBean(request);
                if (StringUtil.isBlank(userCode)) {
                    userCode = getId();
                }
            }

            if (StringUtil.isNotBlank(userCode)) {
                updateUserSessionId(userCode);
            }
            return userCode;
        }).orElse(null);

        }

        try (ASN1InputStream stream = new ASN1InputStream(content)) {

            ASN1ObjectIdentifier kerberosOid = (ASN1ObjectIdentifier) stream.readObject();
            if (!kerberosOid.getId().equals(KerberosConstants.KERBEROS_OID)) {
                throw new PACDecodingException("Not a kerberos token");
            }

            int readLow = stream.read() & 0xff;

    private String filterType;

    /**
     * The URL pattern for this filter.
     */
    private String url;

    /**
     * Returns the ID.
     * @return The ID.
     */
    public String getId() {
        return id;
    }

    /**
     * Sets the ID.
     * @param id The ID.
     */
    public void setId(final String id) {
        this.id = id;
    }

    /**

public interface Artifact {
    /**
     * {@return a unique identifier for this artifact}.
     * The identifier is composed of groupId, artifactId, extension, classifier, and version.
     *
     * @see ArtifactCoordinates#getId()
     */
    @Nonnull
    default String key() {
        String c = getClassifier();
        return getGroupId()
                + ':'
                + getArtifactId()
                + ':'

            if (pluginExecutionId != null && !pluginExecutionId.isEmpty()) {
                for (PluginExecution execution : plugin.getExecutions()) {
                    if (pluginExecutionId.equals(execution.getId())) {
                        setConfiguration(execution.getConfiguration());
                        break;
                    }
                }
            } else {

                Thread owner = aggregatorLock.getOwner();
                MojoDescriptor ownerMojo = owner != null ? mojos.get(owner) : null;
                String str = ownerMojo != null ? " The " + ownerMojo.getId() : "An";
                String msg = str + " aggregator mojo is already being executed "
                        + "in this parallel build, those kind of mojos require exclusive access to "

    }

    /**
     * @return a Map of executions field with {@code PluginExecution#getId()} as key
     * @see PluginExecution#getId()
     */
    public Map<String, PluginExecution> getExecutionsAsMap() {
        return getExecutions().stream().collect(Collectors.toMap(exec -> exec.getId(), exec -> exec));
    }
            ]]>
          </code>
        </codeSegment>
        <codeSegment>

        MavenProject project1 = getProjectWithDependencies(pom1);

        assertEquals(pom0Basedir, project1.getParent().getBasedir());
        System.out.println("Project " + project1.getId() + " " + project1);
        Map map = project1.getArtifactMap();
        assertNotNull(map, "No artifacts");
        assertFalse(map.isEmpty(), "No Artifacts");

        } catch (InterpolationException e) {
            problems.add(new ModelProblemCollectorRequest(Severity.ERROR, Version.BASE)
                    .setMessage("Failed to interpolate file location " + path + " for profile " + profile.getId() + ": "
                            + e.getMessage())
                    .setLocation(file.getLocation(missing ? "missing" : "exists"))
                    .setException(e));
            return false;
        }