protected function isSourceCloneable( $section_id, $post_type ) {
		$metadata = $this->cloner->retrieveSectionMetadata( $section_id, $post_type );
		$is_source_clonable = $this->cloner->isSourceCloneable( $metadata['license'] ?? $this->cloner->getSourceBookMetadata()['license'] );
		return $is_source_clonable;
	}