class RBS::AST::Ruby::Annotations::BlockParamTypeAnnotation

@rbs &name: TYPE -- comment annotation in leading comments

@rbs &block: () -> void -- comment
^^^^                               -- prefix_location
     ^                             -- ampersand_location
      ^^^^^                        -- name_location
           ^                       -- colon_location
             ^^^^^^^^^^            -- type_location
                        ^^^^^^^^^^ -- comment_location
@rbs &: ? () -> void
^^^^                 -- prefix_location
     ^               -- ampersand_location
      ^              -- colon_location
        ^            -- question_location
          ^^^^^^^^^^ -- type_location