interface dom.NonDocumentTypeChildNodeimport { type dom } from "https://deno.land/x/evt@v2.5.7/mod.ts"; const { NonDocumentTypeChildNode } = dom; PropertiesreadonlynextElementSibling: Element | nullReturns the first following sibling that is an element, and null otherwise. readonlypreviousElementSibling: Element | nullReturns the first preceding sibling that is an element, and null otherwise.