protected function set_image_data( &$product, $data ) {
		// Image URLs need converting to IDs before inserting.
		if ( isset( $data['raw_image_id'] ) ) {
			$product->set_image_id( $this->get_attachment_id_from_url( $data['raw_image_id'], $product->get_id() ) );
		}

		// Gallery image URLs need converting to IDs before inserting.
		if ( isset( $data['raw_gallery_image_ids'] ) ) {
			$gallery_image_ids = array();

			foreach ( $data['raw_gallery_image_ids'] as $image_id ) {
				$gallery_image_ids[] = $this->get_attachment_id_from_url( $image_id, $product->get_id() );
			}
			$product->set_gallery_image_ids( $gallery_image_ids );
		}
	}