error: kind must be one of 'derive', 'attribute', or 'function'
 --> tests/ui/fail_invalid_kind.rs:4:35
  |
4 | #[ts_macro_derive(MyMacro, kind = "invalid")]
  |                                   ^^^^^^^^^

warning: unused imports: `MacroforgeError` and `TsStream`
 --> tests/ui/fail_invalid_kind.rs:2:29
  |
2 | use macroforge_ts::ts_syn::{TsStream, MacroforgeError};
  |                             ^^^^^^^^  ^^^^^^^^^^^^^^^
  |
  = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
