syntax_data: {"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"ty::InstanceKind::ConstructCoroutineInClosureShim"}]}
source_snippet:         ty::InstanceKind::ConstructCoroutineInClosureShim { receiver_by_ref: true, .. } => {
context_before:         // `Instance::ty`/`Instance::def_id`.
context_after:             Some("by_move")