syntax_data: {"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// be used for error reporting with spans. However the byte offsets given
context_before:     /// import the expanded assembly code as a new `SourceFile`, which can then
context_after:     /// to us by LLVM are relative to the start of the original buffer, not the