syntax_data: {"ast_node_type":"other","tokens":[{"end":44,"kind":"keyword","start":0,"text":"split_debuginfo:"}]}
source_snippet:     split_debuginfo: Option<SplitDebuginfo>,
context_before:     debuginfo_kind: Option<DebuginfoKind>,
context_after:     supported_split_debuginfo: Option<StaticCow<[SplitDebuginfo]>>,