syntax_data: {"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"_"}]}
source_snippet:                 _ => Err(&["C", "system", "efiapi", "win64", "sysv64"]),
context_before:                 "sysv64" => Ok(InlineAsmClobberAbi::X86_64SysV),
context_after:             },