syntax_data: {"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"cv_stack:"}]}
source_snippet:     cv_stack: [u8; (LLVM_BLAKE3_MAX_DEPTH + 1) * LLVM_BLAKE3_OUT_LEN],
context_before:     /// reference implementation does things.
context_after: }