syntax_data: {"ast_node_type":"other","tokens":[{"end":67,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// We don't normalize binary files, so we can start in an Arc.
context_before:     /// Read the contents of a potentially non-UTF-8 file into memory.
context_after:     fn read_binary_file(&self, path: &Path) -> io::Result<Arc<[u8]>>;