public function setTaxonomies($contentKey, $className)
    {
        if (!isset($this->contenttypes[$contentKey]['taxonomy'])) {
            return;
        }

        foreach ($this->contenttypes[$contentKey]['taxonomy'] as $taxonomytype) {
            $taxonomyConfig = $this->taxonomies[$taxonomytype];

            if (isset($taxonomyConfig['alias'])) {
                $taxonomy = $taxonomyConfig['alias'];
            } else {
                $taxonomy = $taxonomytype;
            }

            $mapping = [
                'fieldname' => $taxonomy,
                'type'      => 'null',
                'fieldtype' => $this->typemap['taxonomy'],
                'target'    => $this->schemaManager->getTableName('taxonomy'),
            ];

            $this->metadata[$className]['fields'][$taxonomy] = $mapping;
            $this->metadata[$className]['fields'][$taxonomy]['data'] = $taxonomyConfig;
        }
    }