method Node.prototype.appendWhitespaceimport { Node } from "https://deno.land/x/fresh@1.4.3/src/dev/deps.ts"; appendWhitespace(textOrWriterFunction: string | WriterFunction): voidAppends the specified whitespace to current node. Appends the specified whitespace to current node. ParameterstextOrWriterFunction: string | WriterFunction Text or writer function. Returnsvoid