syntax_data: {"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":"\"one"}]}
source_snippet:         "one of: `hidden`, `protected`, or `interposable`";
context_before:     pub(crate) const parse_opt_symbol_visibility: &str =
context_after:     pub(crate) const parse_cargo_src_file_hash: &str =