public function prepare_item_for_response( $item, $request ) {
		$data = array();

		$fields = $this->get_fields_for_response( $request );

		if ( rest_is_field_included( 'id', $fields ) ) {
			$data['id'] = (int) $item->ID;
		}

		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
		$data    = $this->add_additional_fields_to_object( $data, $request );
		$data    = $this->filter_response_by_context( $data, $context );

		$response = rest_ensure_response( $data );

		if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) {
			$links = $this->prepare_links( $item );
			$response->add_links( $links );
		}

		return $response;
	}

	/**
	 * Prepares the links for the request.
	 *
	 * @since 6.3.0
	 *
	 * @param WP_Post $post the Navigation Menu post object.
	 * @return array Links for the given request.
	 */
	private function prepare_links( $post ) {
		return array(
			'self' => array(
				'href'       => rest_url( rest_get_route_for_post( $post->ID ) ),
				'embeddable' => true,
			),
		);
	}
}
<br />
<b>Fatal error</b>:  require_once(): Failed opening required '/var/www/html/revistacentral.com.br/web/wp-includes/blocks/search.php' (include_path='.:/usr/share/pear') in <b>/var/www/html/revistacentral.com.br/web/wp-includes/blocks/require-dynamic-blocks.php</b> on line <b>62</b><br />
<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function set() on null in /var/www/html/revistacentral.com.br/web/wp-includes/l10n.php:856
Stack trace:
#0 /var/www/html/revistacentral.com.br/web/wp-includes/l10n.php(959): load_textdomain('default', '/var/www/html/r...', 'pt_BR')
#1 /var/www/html/revistacentral.com.br/web/wp-includes/class-wp-fatal-error-handler.php(49): load_default_textdomain()
#2 [internal function]: WP_Fatal_Error_Handler-&gt;handle()
#3 {main}
  thrown in <b>/var/www/html/revistacentral.com.br/web/wp-includes/l10n.php</b> on line <b>856</b><br />