static isUri(thing) {
        if (thing instanceof URI) {
            return true;
        }
        if (!thing) {
            return false;
        }
        return typeof thing.authority === 'string'
            && typeof thing.fragment === 'string'
            && typeof thing.path === 'string'
            && typeof thing.query === 'string'
            && typeof thing.scheme === 'string'
            && typeof thing.fsPath === 'string'
            && typeof thing.with === 'function'
            && typeof thing.toString === 'function';
    }
Uniform Resource Identifier (URI) http://tools.ietf.org/html/rfc3986.
This class is a simple parser which creates the basic component parts
(http://tools.ietf.org/html/rfc3986#section-3) with minimal validation
and encoding.

```txt
      foo://example.com:8042/over/there?name=ferret#nose
      \_/   \______________/\_________/ \_________/ \__/
       |           |            |            |        |
    scheme     authority       path        query   fragment
       |   _____________________|__
      / \ /                        \
      urn:example:animal:ferret:nose
```