syntax_data: {"ast_node_type":"variable","tokens":[{"end":80,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:         let src_hash = SourceFileHash::new_in_memory(hash_kind, src.as_bytes());
context_before:         // Compute the file hash before any normalization.
context_after:         let checksum_hash = checksum_hash_kind.map(|checksum_hash_kind| {