syntax_data: {"ast_node_type":"other","tokens":[{"end":45,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:         if source_len > Self::MAX_FILE_SIZE {
context_before:         let source_len = u32::try_from(source_len).map_err(|_| OffsetOverflowError)?;
context_after:             return Err(OffsetOverflowError);