syntax_data: {"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"LocalInfo::User(BindingForm::Var(VarBindingForm"}]}
source_snippet:                             LocalInfo::User(BindingForm::Var(VarBindingForm {
context_before:                             let binding_mode = BindingMode(ByRef::No, mutability);
context_after:                                 binding_mode,