4NOTRUN Keypath - my.key
5NOTRUN Keypath - my.køi
6NOTRUN Keypath - my.key_ya
7NOTRUN Keypath - public.key$ya
8NOTRUN Keypath - true.$
9NOTRUN Keypath - my._
10NOTRUN Keypath - delete.a7
11NOTRUN Keypath - p.p.p.p.p.p.p.p.p.p.p.p.p.p
12NOTRUN Keypath - str.length
13NOTRUN Keypath - arr.length
14NOTRUN Keypath - length
15NOTRUN Keypath - '' uses value as key
16NOTRUN Keypath - [''] uses value as [key]
17NOTRUN Keypath - ['x', 'y']
18NOTRUN Keypath - [['x'], 'y'] (stringifies)
19NOTRUN Keypath - ['x', {toString->'y'}] (stringifies)
20NOTRUN Keypath - name,type
21NOTRUN Keypath - name,type.name
22NOTRUN Keypath - array loop -> stringify becomes ['']
23