}
        try (FileReader reader = new FileReader(file)) {
            List<UpgradedProperty> upgradedProperties = new Gson().fromJson(reader, new TypeToken<List<UpgradedProperty>>() {}.getType());
            // FIXME There should be no duplicates, yet there are some
            return upgradedProperties.stream()
                .distinct()
                .collect(ImmutableList.toImmutableList());

    String getGroupId();

    String getArtifactId();

    String getVersion();

    void setVersion(String version);

    String getScope();

    String getType();

    String getClassifier();

    boolean hasClassifier();

    File getFile();

    void setFile(File destination);

    String getBaseVersion();

    void setBaseVersion(String baseVersion);

        super(message);
        this.type = type;
    }

    /**
     * Returns the type of the invalid access token.
     *
     * @return the type of the invalid access token
     */
    public String getType() {
        return type;
    }

        ForkedProjectSucceeded,
        ForkedProjectFailed,
    }

    /**
     * Gets the type of the event.
     *
     * @return The type of the event, never {@code null}.
     */
    Type getType();

    /**
     * Gets the session from which this event originates.
     *
     * @return The current session, never {@code null}.
     */
    MavenSession getSession();

    /**

        assertEquals("TESTDOM", s1.getDomainName());
        assertEquals(jcifs.SID.SID_TYPE_USER, s1.getType());

        assertEquals("Domain Users", s2.getAccountName());
        assertEquals("TESTDOM", s2.getDomainName());
        assertEquals(jcifs.SID.SID_TYPE_DOM_GRP, s2.getType());

        // Interaction: sendrecv invoked exactly once

    String getGroupId();

    String getArtifactId();

    String getVersion();

    String getClassifier();

    String getExtension();

    String getType();

    static ArtifactFactoryRequest build(
            Session session, String groupId, String artifactId, String version, String extension) {
        return ArtifactFactoryRequest.builder()

            }

            @Override
            public Locale getLocale() {
                return null;
            }

            @Override
            public SearchRequestType getType() {
                return null;
            }

            @Override
            public String getSimilarDocHash() {
                return null;
            }

            @Override

  private static Type getSupertype(Type type, Class<?> superclass) {
    Class rawType = superclass;
    return TypeToken.of(type).getSupertype(rawType).getType();
  }

  private static Type getSubtype(Type type, Class<?> subclass) {
    return TypeToken.of(type).getSubtype(subclass).getType();
  }

 */
@Deprecated(since = "4.0.0")
public interface Toolchain {

    /**
     * get the type of toolchain.
     *
     * @return the toolchain type
     */
    String getType();

    /**
     * Gets the platform tool executable.
     *
     * @param toolName the tool platform independent tool name.
     * @return file representing the tool executable, or null if the tool can not be found

        return artifact.getGroupId();
    }

    @Override
    public String getArtifactId() {
        return artifact.getArtifactId();
    }

    @Override
    public String getType() {
        return artifact.getExtension();
    }

    @Override
    public String getClassifier() {
        return artifact.getClassifier();
    }

    @Override
    public String getVersion() {