syntax_data: {"ast_node_type":"other","tokens":[{"end":67,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// Which kinds of split debuginfo are supported by the target?
context_before:     pub split_debuginfo: SplitDebuginfo,
context_after:     pub supported_split_debuginfo: StaticCow<[SplitDebuginfo]>,