syntax_data: {"ast_node_type":"other","tokens":[{"end":35,"kind":"keyword","start":0,"text":"(\"avxvnni\","}]}
source_snippet:     ("avxvnni", Stable, &["avx2"]),
context_before:     ("avxneconvert", Stable, &["avx2"]),
context_after:     ("avxvnniint8", Stable, &["avx2"]),