"Edge between '" + from + "' and '" + to + "' introduces to cycle in the graph", cycle);
            }
        }
    }

    private enum DfsState {
        VISITING,
        VISITED
    }

    private static List<String> visitCycle(
            Map<String, Set<String>> graph,
            Collection<String> children,
            Map<String, DfsState> stateMap,

                                BuilderProblem.Severity.WARNING));
                        return value;
                    }
                })
                .visit(toolchains);
    }

    /**
     * Collects the output of the toolchains builder.
     *
     */
    static class DefaultToolchainsBuilderResult implements ToolchainsBuilderResult {

        InnerInterpolator innerInterpolator = createInterpolator(valueSources, postProcessors, request, problems);

        return new MavenTransformer(innerInterpolator::interpolate).visit(model);
    }

    private InnerInterpolator createInterpolator(
            List<? extends ValueSource> valueSources,
            List<? extends InterpolationPostProcessor> postProcessors,

        </field>
        <field>
          <name>inceptionYear</name>
          <version>3.0.0+</version>
          <required>true</required>
          <description>The year of the project's inception, specified with 4 digits. This value is
            used when generating copyright notices as well as being informational.</description>
          <type>String</type>
        </field>
        <field>
          <name>organization</name>

    @Override
    public boolean accept(NodeVisitor visitor) {
        if (visitor.enter(this)) {
            for (Node child : getChildren()) {
                if (!child.accept(visitor)) {
                    break;
                }
            }
        }
        return visitor.leave(this);
    }

    @Override
    public Node filter(Predicate<Node> filter) {

        assertEquals(p.getRepositories().size(), clone.getRepositories().size());
        // TODO deep compare the lists
        assertEquals(
                p.getPluginRepositories().size(), clone.getPluginRepositories().size());
        // TODO deep compare the lists
    }

                                BuilderProblem.Severity.WARNING));
                        return value;
                    }
                })
                .visit(settings);
    }

    @Override
    public List<BuilderProblem> validate(Settings settings, boolean isProjectSettings) {
        ArrayList<BuilderProblem> problems = new ArrayList<>();

getMessage(); } org/codehaus/plexus/util/dag/CycleDetector.class package org.codehaus.plexus.util.dag; public synchronized class CycleDetector { private static final Integer NOT_VISTITED; private static final Integer VISITING; private static final Integer VISITED; public void CycleDetector(); public static java.util.List hasCycle(DAG); public static java.util.List introducesCycle(Vertex, java.util.Map); public static java.util.List introducesCycle(Vertex); private static boolean isNotVisited(Vertex, java.util.Map);...

                        if (isUnix()) {
                            sh "rm -rvf $WORK_DIR/dists $WORK_DIR/it-local-repo"
                        } else {
                            bat "if exist it-local-repo rmdir /s /q it-local-repo"
                            bat "if exist dists         rmdir /s /q dists"
                        }
                        dir('dists') {
                          unstash 'maven-dist-s390x'
                        }

         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <!-- Shared parent. Doesn't define a lot of things about Apache like general mailing lists, but does
       define the settings common to all projects at Apache -->
  <groupId>org.apache</groupId>
  <artifactId>apache</artifactId>
  <version>1</version>
  <packaging>pom</packaging>