syntax_data: {"ast_node_type":"other","tokens":[{"end":44,"kind":"keyword","start":0,"text":".to_coroutine_given_kind_and_upvars("}]}
source_snippet:         .to_coroutine_given_kind_and_upvars(
context_before:         .instantiate_bound_regions_with_erased(parent_closure_args.coroutine_closure_sig())
context_after:             tcx,