interface TreeWalkerimport { type TreeWalker } from "https://deno.land/x/windmill@v1.364.3/node_modules/evt/lib/types/lib.dom.d.ts"; The nodes of a document subtree and a position within them. PropertiescurrentNode: Nodereadonlyfilter: NodeFilter | nullreadonlyroot: NodereadonlywhatToShow: numberMethodsfirstChild(): Node | nulllastChild(): Node | nullnextNode(): Node | nullnextSibling(): Node | nullparentNode(): Node | nullpreviousNode(): Node | nullpreviousSibling(): Node | null