syntax_data: {"ast_node_type":"other","tokens":[{"end":10,"kind":"keyword","start":0,"text":"};"}]}
source_snippet:         };
context_before:             format!("make the implied reference pattern{plural_derefs}{and_modes} explicit")
context_after:         // FIXME(dianne): for peace of mind, don't risk emitting a 0-part suggestion (that panics!)