syntax_data: {"ast_node_type":"function","tokens":[{"end":92,"kind":"keyword","start":0,"text":"pub(crate)"}]}
source_snippet: pub(crate) fn analyze_source_file(src: &str) -> (Vec<RelativeBytePos>, Vec<MultiByteChar>) {
context_before: /// is detected at runtime.
context_after:     let mut lines = vec![RelativeBytePos::from_u32(0)];