syntax_data: {"ast_node_type":"other","tokens":[{"end":39,"kind":"keyword","start":0,"text":"pub(crate)"}]}
source_snippet:     pub(crate) const parse_bool: &str =
context_before:     pub(crate) const parse_no_value: &str = "no value";
context_after:         "one of: `y`, `yes`, `on`, `true`, `n`, `no`, `off` or `false`";