Objects.requireNonNull(input, "input cannot be null");

        try (InputStream in = Files.newInputStream(input.toPath())) {
            InputSource source = InputSource.of(input.toString());
            return new PersistedToolchains(new MavenToolchainsStaxReader().read(in, isStrict(options), source));
        } catch (XMLStreamException e) {
            throw new ToolchainsParseException(
                    e.getMessage(),

            result.setScriptData(DfTypeUtil.toString(source.get("scriptData")));
            result.setScriptResult(DfTypeUtil.toString(source.get("scriptResult")));
            result.setScriptType(DfTypeUtil.toString(source.get("scriptType")));
            result.setStartTime(DfTypeUtil.toLong(source.get("startTime")));
            result.setTarget(DfTypeUtil.toString(source.get("target")));
            return updateEntity(source, result);

        @Singleton
        static class TestModelParser implements ModelParser {
            @Override
            public Optional<Source> locate(Path dir) {
                return Optional.empty();
            }

            @Override
            public Model parse(Source source, Map<String, ?> options) throws ModelParserException {
                return null;
            }
        }
    }

    @Nested

        public void mergeModelBase(ModelBase target, ModelBase source) {
            mergeModelBase(target, source, true, Collections.emptyMap());
        }

        public void mergeBuildBase(BuildBase target, BuildBase source) {
            mergeBuildBase(target, source, true, Collections.emptyMap());
        }

        @Override
        protected void mergePluginContainer_Plugins(

  private final Object source;

  public ConflictingRequirementsException(
      String message, Set<Feature<?>> conflicts, Object source) {
    super(message);
    this.conflicts = conflicts;
    this.source = source;
  }

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

  public Object getSource() {
    return source;
  }

  @Override

            ArtifactMetadataSource source,
            ArtifactFilter filter)
            throws ArtifactResolutionException, ArtifactNotFoundException {
        return resolveTransitively(
                artifacts,
                originatingArtifact,
                Collections.emptyMap(),
                localRepository,
                remoteRepositories,
                source,
                filter);
    }

   * most [BufferedSource] instances, but not of [Buffer].
   */
  private fun responseBody(content: String): ResponseBody {
    val data = Buffer().writeUtf8(content)
    val source: Source =
      object : Source {
        var closed = false

        override fun close() {
          closed = true
        }

        override fun read(
          sink: Buffer,
          byteCount: Long,

        protected void mergePlugin(Plugin target, Plugin source, boolean sourceDominant, Map<Object, Object> context) {
            if (source.isInherited()) {
                mergeConfigurationContainer(target, source, sourceDominant, context);
            }
            mergePlugin_GroupId(target, source, sourceDominant, context);
            mergePlugin_ArtifactId(target, source, sourceDominant, context);

    @Override
    public Source getGlobalToolchainsSource() {
        return globalToolchainsSource;
    }

    @Override
    public ToolchainsBuildingRequest setGlobalToolchainsSource(Source globalToolchainsSource) {
        this.globalToolchainsSource = globalToolchainsSource;
        return this;
    }

    @Override
    public Source getUserToolchainsSource() {
        return userToolchainsSource;
    }

            result.setTerm(DfTypeUtil.toString(source.get("term")));
            result.setUpdatedBy(DfTypeUtil.toString(source.get("updatedBy")));
            result.setUpdatedTime(DfTypeUtil.toLong(source.get("updatedTime")));
            result.setVirtualHost(DfTypeUtil.toString(source.get("virtualHost")));
            return updateEntity(source, result);
        } catch (InstantiationException | IllegalAccessException e) {