syntax_data: {"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                             // and the current predicate is `WF(T)`. `wf_args`
context_before:                             // depth   ^1                    ^2                 ^3
context_after:                             // would contain `(T, 1)`. We want to check all