syntax_data: {"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"\"either"}]}
source_snippet:         "either a boolean (`yes`, `no`, `on`, `off`, etc), `thin`, `fat`, or omitted";
context_before:     pub(crate) const parse_lto: &str =
context_after:     pub(crate) const parse_linker_plugin_lto: &str =