syntax_data: {"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"\"disable"}]}
source_snippet:         "disable generation of trait vptr in vtable for upcasting"),
context_before:     no_trait_vptr: bool = (false, parse_no_value, [TRACKED],
context_after:     no_unique_section_names: bool = (false, parse_bool, [TRACKED],