class RuboCop::Cop::Sorbet::TypeAliasName

FooOrBar = T.type_alias { T.any(Foo, Bar) }
# good
FOO_OR_BAR = T.type_alias { T.any(Foo, Bar) }
# bad
@example
Ensures all constants used as ‘T.type_alias` are using CamelCase.

def on_casgn(node) 

def on_casgn(node)
  add_offense(node) if underscored_type_alias?(node)
end