syntax_data: {"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     ///     (_    , true, true , false, _   , ...) => false,
context_before:     ///     (true , _   , _    , false, true, ...) => false,
context_after:     ///     (false, _   , false, false, _   , ...) => false,