syntax_data: {"ast_node_type":"import","tokens":[{"end":100,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                 // that want to use the display col instead of byte offsets to modify Rust code, but
context_before:                 // FIXME: we'll want better handling of this in the future for the sake of tools
context_after:                 // that is a problem for another day, the previous code was already incorrect for