syntax_data: {"ast_node_type":"other","tokens":[{"end":93,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// or-patterns. This expands as many or-patterns as possible and processes the resulting
context_before:     /// Takes a list of candidates such that some of the candidates' first match pairs are
context_after:     /// candidates. Returns the unprocessed candidates if any.