{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"//"}]}
        // not be present. So we have to look at what the *last* provided position was, and point
        // that is the position in the argument list in the definition, while `provided_idx` will
        // one after to suggest the replacement. FIXME(estebank): This is hacky, and there's