private final Source source;

        SourceWrapper(Source source) {
            this.source = source;
        }

        @Override
        public InputStream getInputStream() throws IOException {
            return source.openStream();
        }

        @Override
        public String getLocation() {
            return source.getLocation();
        }

        @Override

    if (expectedLines.isEmpty()) {
      assertThat(source.readFirstLine()).isNull();
    } else {
      assertEquals(expectedLines.get(0), source.readFirstLine());
    }
  }

  public void testReadLines_toList() throws IOException {
    assertExpectedLines(source.readLines());
  }

  public void testIsEmpty() throws IOException {
    assertEquals(expected.isEmpty(), source.isEmpty());
  }

        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(

        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);

     */
    ModelData(ModelSource source, Model model, String groupId, String artifactId, String version) {
        this.source = source;
        this.model = model;
        setGroupId(groupId);
        setArtifactId(artifactId);
        setVersion(version);
    }

    public ModelSource getSource() {
        return source;
    }

    /**
     * Gets the model being wrapped.
     *

        }

        return di - start;
    }

    /**
     * Decodes a UTF-8 encoded string from a byte array.
     *
     * @param src the source byte array
     * @param si the starting index in the source array
     * @param slim the limit index in the source array
     * @return the decoded String
     * @throws IOException if a decoding error occurs
     */

  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

   * 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,

     */
    DefaultProblem(
            String message, Severity severity, String source, int lineNumber, int columnNumber, Exception exception) {
        this.message = message;
        this.severity = (severity != null) ? severity : Severity.ERROR;
        this.source = (source != null) ? source : "";
        this.lineNumber = lineNumber;
        this.columnNumber = columnNumber;
        this.exception = exception;

    Multimap<K, V> source = getSubjectGenerator().create(mapEntry(k0(), null));
    assertTrue(multimap().putAll(source));
    assertTrue(multimap().containsEntry(k0(), null));
  }

  @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_KEYS})
  public void testPutAllWithNullKey() {
    Multimap<K, V> source = getSubjectGenerator().create(mapEntry(null, v0()));
    assertTrue(multimap().putAll(source));