syntax_data: {"ast_node_type":"other","tokens":[{"end":67,"kind":"keyword","start":0,"text":"p.codegen_select_candidate"}]}
source_snippet:     p.codegen_select_candidate = codegen::codegen_select_candidate;
context_before:     type_op::provide(p);
context_after:     p.coroutine_hidden_types = coroutine_witnesses::coroutine_hidden_types;