{"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"\"sme.in.streaming.mode\""}]}
                    "sme.in.streaming.mode" => "__builtin_arm_in_streaming_mode",
                    "prefetch" => "__builtin_arm_prefetch",
                    "sve.aesd" => "__builtin_sve_svaesd_u8",