syntax_data: {"ast_node_type":"variable","tokens":[{"end":59,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:             if let Some(span) = self.convert_dollar_crate {
context_before:         } else if self.symbol == kw::DollarCrate {
context_after:                 let converted = span.ctxt().dollar_crate_name();