1(method "end" @end) @indent
 2(class "end" @end) @indent
 3(module "end" @end) @indent
 4(begin "end" @end) @indent
 5(singleton_method "end" @end) @indent
 6(do_block "end" @end) @indent
 7
 8(then) @indent
 9(call) @indent
10
11(ensure) @outdent
12(rescue) @outdent
13(else) @outdent
14
15
16(_ "[" "]" @end) @indent
17(_ "{" "}" @end) @indent
18(_ "(" ")" @end) @indent