{"ast_node_type":"other","tokens":[{"end":69,"kind":"keyword","start":0,"text":"report_metric(\"pattern"}]}
        report_metric("pattern unknown type", num_pats_unknown, "#");
        report_metric("type mismatches", num_expr_type_mismatches, "#");
        report_metric("pattern type mismatches", num_pat_type_mismatches, "#");