if (current.equals(version) || (version == null && current.isEmpty())) {
            return this;
        }
        return new RelocatedArtifact(artifact, groupId, artifactId, classifier, extension, version, message);
    }

    @Override
    public Artifact setFile(File file) {
        File current = getFile();
        if (Objects.equals(current, file)) {
            return this;
        }

        if (sourceLevelSet) {
            throw new IllegalStateException("Cannot reset sourceLevel attribute; it is already set to: " + sourceLevel);
        } else if (!(USER_LEVEL.equals(sourceLevel) || PROJECT_LEVEL.equals(sourceLevel)  || GLOBAL_LEVEL.equals(sourceLevel))) {
            throw new IllegalArgumentException("sourceLevel must be one of: {" + USER_LEVEL + "," + PROJECT_LEVEL + "," + GLOBAL_LEVEL + "}");
        } else {

   * equals()} contract.
   *
   * <p><b>Note:</b> this method is now unnecessary and should be treated as deprecated; use {@link
   * java.util.Objects#equals} instead.
   */
  @SuppressWarnings("InlineMeSuggester") // would introduce fully qualified references to Objects
  public static boolean equal(@Nullable Object a, @Nullable Object b) {
    return java.util.Objects.equals(a, b);
  }

  /**

     */
    public void setMethod(final String method) {
        if (Constants.GET_METHOD.equals(method)) {
            this.method = Method.GET;
        } else if (Constants.POST_METHOD.equals(method)) {
            this.method = Method.POST;
        } else if (Constants.HEAD_METHOD.equals(method)) {
            this.method = Method.HEAD;
        } else {
            this.method = Method.GET;
        }
    }

        if (inheritedScope == null) {
            desiredScope = scope;
        } else if (Artifact.SCOPE_TEST.equals(scope) || Artifact.SCOPE_PROVIDED.equals(scope)) {
            return null;
        } else if (Artifact.SCOPE_COMPILE.equals(scope) && Artifact.SCOPE_COMPILE.equals(inheritedScope)) {
            // added to retain compile artifactScope. Remove if you want compile inherited as runtime

        return Artifact.SCOPE_COMPILE.equals(scope)
                || Artifact.SCOPE_PROVIDED.equals(scope)
                || Artifact.SCOPE_SYSTEM.equals(scope);
    }

    // TODO let the scope handler deal with this
    private static boolean isRuntimePathElement(final String scope) {
        return Artifact.SCOPE_COMPILE.equals(scope) || Artifact.SCOPE_RUNTIME.equals(scope);
    }

                currentList = null;
                if (currentItem != null) {
                    currentItem = null;
                    nodes.pop();
                }
                nodes.pop();
            }
            if (element.equals("dt")) {
                nodes.pop();
            }
            if (element.equals("dd")) {
                nodes.pop();
            }
        }

   * same structural relationships as those in this graph.
   *
   * <p>Thus, two graphs A and B are equal if <b>all</b> of the following are true:
   *
   * <ul>
   *   <li>A and B have equal {@link #isDirected() directedness}.
   *   <li>A and B have equal {@link #nodes() node sets}.
   *   <li>A and B have equal {@link #edges() edge sets}.
   * </ul>
   *

   * same structural relationships as those in this graph.
   *
   * <p>Thus, two graphs A and B are equal if <b>all</b> of the following are true:
   *
   * <ul>
   *   <li>A and B have equal {@link #isDirected() directedness}.
   *   <li>A and B have equal {@link #nodes() node sets}.
   *   <li>A and B have equal {@link #edges() edge sets}.
   * </ul>
   *

                    && extension.equals(that.extension)
                    && version.equals(that.version)
                    && context.equals(that.context)
                    && localRepo.equals(that.localRepo)
                    && Objects.equals(workspace, that.workspace)
                    && repositories.equals(that.repositories);
        }

        @Override
        public int hashCode() {