error: Unable to parse type from: { A }
 --> tests/trybuild/fail-not-a-type.rs:6:21
  |
6 |     #[confik(from = { A })]
  |                     ^^^^^

error[E0599]: no function or associated item named `builder` found for struct `Config` in the current scope
  --> tests/trybuild/fail-not-a-type.rs:20:26
   |
5  | struct Config {
   | ------------- function or associated item `builder` not found for this struct
...
20 |     let config = Config::builder()
   |                          ^^^^^^^ function or associated item not found in `Config`
   |
   = help: items from traits can only be used if the trait is implemented and in scope
   = note: the following trait defines an item `builder`, perhaps you need to implement it:
           candidate #1: `Configuration`