{"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"tcx.dcx().emit_err(errors::DuplicatePreciseCapture"}]}
            tcx.dcx().emit_err(errors::DuplicatePreciseCapture {
        if let Some(span) = seen_params.insert(ident, ident.span) {
                name: ident.name,