syntax_data: {"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":"self.span_to_string(sp,"}]}
source_snippet:         self.span_to_string(sp, self.path_mapping.filename_display_for_diagnostics)
context_before:     pub fn span_to_diagnostic_string(&self, sp: Span) -> String {
context_after:     }