return artifact.isSelectedVersionKnown();
    }

    /** {@inheritDoc} */
    @Override
    public void setOptional(boolean optional) {
        artifact.setOptional(optional);
    }

    /** {@inheritDoc} */
    @Override
    public int hashCode() {
        int result = 17;

        result = 37 * result + getGroupId().hashCode();

    }

    @Override
    public boolean isSelectedVersionKnown() throws OverConstrainedVersionException {
        return versionRange.isSelectedVersionKnown(this);
    }

    @Override
    public void setOptional(boolean optional) {
        this.optional = optional;
    }

            return null;
        }

        org.apache.maven.artifact.Artifact result = toArtifact(dependency.getArtifact());
        result.setScope(dependency.getScope());
        result.setOptional(dependency.isOptional());

        return result;
    }

    public static org.apache.maven.artifact.Artifact toArtifact(Artifact artifact) {
        if (artifact == null) {
            return null;
        }

                    visit(exclusion);
                }
                // Optional
                org = dependency.getOptional();
                val = interpolate(org);
                if (org != val) {
                    dependency.setOptional(val);
                }
            }
        }

        private void visit(Exclusion exclusion) {
            if (exclusion != null) {

                        dependency = dependency.withScope(managedDependency.getScope());
                    }
                    if (dependency.getOptional() == null && managedDependency.getOptional() != null) {
                        dependency = dependency.withOptional(managedDependency.getOptional());
                    }
                    if (dependency.getExclusions().isEmpty()