return versionRange.getSelectedVersion(this);
    }

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

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

            }

            version = null;
        }
        return version;
    }

    public boolean isSelectedVersionKnown(Artifact artifact) throws OverConstrainedVersionException {
        boolean value = false;
        if (recommendedVersion != null) {
            value = true;
        } else {