syntax_data: {"ast_node_type":"other","tokens":[{"end":67,"kind":"keyword","start":0,"text":"(\"avx10.2\","}]}
source_snippet:     ("avx10.2", Unstable(sym::avx10_target_feature), &["avx10.1"]),
context_before:     ),
context_after:     ("avx512bf16", Stable, &["avx512bw"]),