| Type | Location | Extends | Description |
|---|---|---|---|
| error_type | mctc_env_error | None | Error message |
| pdb_data | mctc_io_structure_info | None | Atomic pdb data type. |
| sdf_data | mctc_io_structure_info | None | SDF atomic data. |
| structure_info | mctc_io_structure_info | None | structure input info |
| structure_type | mctc_io_structure | None | Structure representation |
| testsuite_type | mctc_env_testing | None | Collection of unit tests |
| token_type | mctc_io_utils | None | Text token |
| unittest_type | mctc_env_testing | None | Declaration of a unit test |