return path;
    }

    @Deprecated
    public void merge(File existing, File result) throws RepositoryException {
        merge(existing != null ? existing.toPath() : null, result != null ? result.toPath() : null);
    }

    @Override
    public void merge(Path existing, Path result) throws RepositoryException {
        Metadata recessive = read(existing);

        merge(recessive);

        write(result, metadata);

    int VALIDATION_LEVEL_MAVEN_2_0 = 20;

    /**
     * Denotes validation as performed by Maven 3.0. This validation level is meant for existing projects.
     */
    int VALIDATION_LEVEL_MAVEN_3_0 = 30;

    /**
     * Denotes validation as performed by Maven 3.1. This validation level is meant for existing projects.
     */
    int VALIDATION_LEVEL_MAVEN_3_1 = 31;

    /**

                        dependency);
            }

            Dependency existing = index.get(key);

            if (existing != null) {
                String msg;
                if (equals(existing.getVersion(), dependency.getVersion())) {
                    msg = "duplicate declaration of version " + Objects.toString(dependency.getVersion(), "(?)");

            Files.createDirectories(target.getParent());
            Files.copy(
                    artifact.getPath(),
                    target,
                    StandardCopyOption.REPLACE_EXISTING,
                    StandardCopyOption.COPY_ATTRIBUTES);
        } catch (IOException e) {
            LOGGER.error("Error while copying artifact to project local repository", e);
        }
    }

    public ImmutableSet<@NonNull E> immutableCopy() {
      return ImmutableSet.copyOf((SetView<@NonNull E>) this);
    }

    /**
     * Copies the current contents of this set view into an existing set. This method has equivalent
     * behavior to {@code set.addAll(this)}, assuming that all the sets involved are based on the
     * same notion of equivalence.
     *

                    //
                    // At this point the DefaultModelBuildingListener has fired and it populates the
                    // remote repositories with those found in the pom.xml, along with the existing externally
                    // defined repositories.
                    //
                    request.setRemoteRepositories(project.getRemoteArtifactRepositories());
                    if (parentPomFile != null) {

   * put()} and {@code putAll()} methods throw an {@link IllegalArgumentException}. Similarly, the
   * map's entries have a {@link Entry#setValue} method that throws an {@link
   * IllegalArgumentException} when the existing key and the provided value don't satisfy the
   * predicate.
   *
   * <p>When methods such as {@code removeAll()} and {@code clear()} are called on the filtered map