@type name() ::
  {:spawn, charlist() | binary()}
  | {:spawn_driver, charlist() | binary()}
  | {:spawn_executable, charlist() | atom()}
  | {:fd, non_neg_integer(), non_neg_integer()}

(This type is managed by TypeCheck, which allows checking values against the type at runtime.)

Full definition:

name() :: {:spawn, charlist() | binary()}
| {:spawn_driver, charlist() | binary()}
| {:spawn_executable, charlist() | atom()}
| {:fd, non_neg_integer(), non_neg_integer()}