public static Node parse(InputStream json) {
        return parse(json, "");
    }
Attempts to parse the given JSON input stream and returns a Node.

@param json JSON input stream to parse. The input stream is closed
  automatically when the content is fully parsed.
@return Returns the parsed Node on success.
@throws ModelSyntaxException if the JSON text is invalid.
smithy-model/src/main/java/software/amazon/smithy/model/node/Node.java