[
  (imports)
  (function_declaration)
  (enum_type)
  (struct_type)
  (tuple_type)
  (union_type)
  (block)
  (if_statement)
  (for_statement)
  (call_expression)
  (switch_expression)
  (match_expression)
  (case)
  (array_literal)
  (struct_literal)
  (tuple_literal)
] @fold
