error: expected key-value pair
 --> tests/derive_errors/top_level_metadata.rs:2:20
  |
2 | #[typedef(metadata(foo, bar, foo = 2))]
  |                    ^^^

error: expected key-value pair
 --> tests/derive_errors/top_level_metadata.rs:2:25
  |
2 | #[typedef(metadata(foo, bar, foo = 2))]
  |                         ^^^

error: expected string literal
 --> tests/derive_errors/top_level_metadata.rs:2:36
  |
2 | #[typedef(metadata(foo, bar, foo = 2))]
  |                                    ^

error: the `metadata` parameter must be a list of key-value pairs
 --> tests/derive_errors/top_level_metadata.rs:8:11
  |
8 | #[typedef(metadata = "a")]
  |           ^^^^^^^^^^^^^^

error: the `metadata` parameter must be a list of key-value pairs
  --> tests/derive_errors/top_level_metadata.rs:14:11
   |
14 | #[typedef(metadata)]
   |           ^^^^^^^^