indent += "  ";

            InputLocation location = plugin.getLocation("");
            if (location != null && location.getSource() != null) {
                trackingData.add(indent + location.getSource().getModelId() + " (implicit)");
                indent += "  ";
            }
        } else if (collectStepTrace != null) {

                .map(MojoExecution::getPlugin)
                .filter(p -> p.getLocation("version") != null
                        && p.getLocation("version").getSource() != null
                        && defaulModelId.equals(
                                p.getLocation("version").getSource().getModelId()))
                .distinct()
                .map(Plugin::getArtifactId) // managed by us, groupId is always o.a.m.plugins

     */
    public MojoException(Throwable cause) {
        super(cause);
    }

    public String getLongMessage() {
        return longMessage;
    }

    public Object getSource() {
        return source;
    }

        return artifactUri;
    }

    public void setArtifactUri(String artifactUri) {
        this.artifactUri = artifactUri;
    }

    public MetadataGraphVertex getSource() {
        return source;
    }

    public void setSource(MetadataGraphVertex source) {
        this.source = source;
    }

    public MetadataGraphVertex getTarget() {
        return target;
    }

    super(message);
    this.conflicts = conflicts;
    this.source = source;
  }

  public Set<Feature<?>> getConflicts() {
    return conflicts;
  }

  public Object getSource() {
    return source;
  }

  @Override
  public String getMessage() {
    return super.getMessage() + " (source: " + source + ")";
  }

  private static final long serialVersionUID = 0;

                    MetadataGraphVertex targetNode = e.getTarget();
                    targetNode.getMd().setArtifactScope(e.getScope());
                    targetNode.getMd().setWhy(e.getSource().getMd().toString());
                    visit(targetNode);
                }
            }
        }
        // -----------------------------------------------------------------------

        fillMojoDescriptor(session, project, mojoExecution);

        mojoExecutionConfigurator(mojoExecution)
                .configure(project, mojoExecution, MojoExecution.Source.CLI.equals(mojoExecution.getSource()));

        finalizeMojoConfiguration(mojoExecution);

        calculateForkedExecutions(mojoExecution, session, project, alreadyPlannedExecutions);
    }

        this.executionId = null;
    }

    /**
     * Gets the source of this execution.
     *
     * @return The source of this execution or {@code null} if unknown.
     */
    public Source getSource() {
        return source;
    }

    public String getExecutionId() {
        return executionId;
    }

    public Plugin getPlugin() {
        if (mojoDescriptor != null) {

            }
        }
        assertNotNull(dependencyLocation, "missing dependency");
        assertEquals(
                "org.apache.maven.its:bom:0.1", dependencyLocation.getSource().getModelId());

        InputLocation pluginLocation = null;
        for (Plugin plugin : project.getBuildPlugins()) {
            if (plugin.getKey().equals("org.apache.maven.plugins:maven-clean-plugin")) {

        profileActivationContext.setProjectProperties(inputModel.getProperties());
        problems.setSource(inputModel);
        List<Profile> activePomProfiles =
                profileSelector.getActiveProfiles(inputModel.getProfiles(), profileActivationContext, problems);

        // model normalization
        problems.setSource(inputModel);
        inputModel = modelNormalizer.mergeDuplicates(inputModel, request, problems);