/**
     * Simply converts the given content to an xml string.
     *
     * @param content the object to convert
     * @return the xml string representation
     * @throws XmlWriterException if an error occurs during the transformation
     * @see #fromXmlString(String)
     */
    public static String toXml(@Nonnull Model content) throws XmlWriterException {
        return new DefaultModelXmlFactory().toXmlString(content);

    /**
     * Simply converts the given content to an xml string.
     *
     * @param content the object to convert
     * @return the xml string representation
     * @throws XmlWriterException if an error occurs during the transformation
     * @see #fromXmlString(String)
     */
    public static String toXml(@Nonnull Model content) throws XmlWriterException {
        return new DefaultModelXmlFactory().toXmlString(content);

            xml.setAddDefaultEntities(request.isAddDefaultEntities());
            if (reader != null) {
                return xml.read(reader, request.isStrict());
            } else {
                return xml.read(inputStream, request.isStrict());
            }
        } catch (Exception e) {
            throw new XmlReaderException("Unable to read toolchains", e);
        }
    }

    @Override

            xml.setAddDefaultEntities(request.isAddDefaultEntities());
            if (reader != null) {
                return xml.read(reader, request.isStrict());
            } else {
                return xml.read(inputStream, request.isStrict());
            }
        } catch (Exception e) {
            throw new XmlReaderException("Unable to read toolchains: " + getMessage(e), getLocation(e), e);
        }
    }

  options {
    durabilityHint('PERFORMANCE_OPTIMIZED')
    buildDiscarder(logRotator(numToKeepStr: '20', artifactNumToKeepStr: '5'))
    timeout(time: 180, unit: 'MINUTES')
  }
  parameters {
    string( defaultValue: 'master', description: 'Core Its branch (default master)',
            name: 'ITS_BRANCH' )
  }
  stages {
    stage("Build Maven Core") {
      steps {

          <version>4.0.0/4.0.99</version>
          <code>
            <![CDATA[
    public static final String SOURCE_POM = "pom";

    public static final String SOURCE_SETTINGS = "settings.xml";

    public void setSource(String source) {
        getDelegate().setSource(source);
    }

    public String getSource() {
        return getDelegate().getSource();
    }

    /**

                && Objects.equals(a1.getArtifactId(), a2.getArtifactId())
                && Objects.equals(a1.getVersion(), a2.getVersion());
    }

    private Map<String, String> toProperties(Map<String, String> dominant, Map<String, String> recessive) {
        Map<String, String> props = new HashMap<>();
        if (recessive != null) {
            props.putAll(recessive);
        }
        if (dominant != null) {

            xml.setAddDefaultEntities(request.isAddDefaultEntities());
            if (reader != null) {
                return xml.read(reader, request.isStrict(), source);
            } else {
                return xml.read(inputStream, request.isStrict(), source);
            }
        } catch (Exception e) {
            throw new XmlReaderException("Unable to read settings", e);
        }
    }

    @Override

            xml.setAddDefaultEntities(request.isAddDefaultEntities());
            if (reader != null) {
                return xml.read(reader, request.isStrict(), source);
            } else {
                return xml.read(inputStream, request.isStrict(), source);
            }
        } catch (Exception e) {
            throw new XmlReaderException("Unable to read settings: " + getMessage(e), getLocation(e), e);
        }

        }
    }

    @SuppressWarnings("checkstyle:parameternumber")
    public ArtifactResolutionResult collect(
            Set<Artifact> artifacts,
            Artifact originatingArtifact,
            Map<String, Artifact> managedVersions,
            ArtifactRepository localRepository,
            List<ArtifactRepository> remoteRepositories,
            ArtifactMetadataSource source,
            ArtifactFilter filter,