syntax_data: {"ast_node_type":"other","tokens":[{"end":58,"kind":"keyword","start":0,"text":"\"one"}]}
source_snippet:         "one of: `disabled`, `trampolines`, or `aliases`";
context_before:     pub(crate) const parse_merge_functions: &str =
context_after:     pub(crate) const parse_symbol_mangling_version: &str =