# File lib/yard/parser/ruby/ast_node.rb, line 395
        def parameters(include_block_param = true)
          return [] if type == :vcall
          params = self[1 + index_adjust]
          return [] unless params
          params = call_has_paren? ? params.first : params
          return [] unless params
          include_block_param ? params : params[0...-1]
        end