{"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"CompletionItemRefMode::Reference(Mutability::Mut)"}]}
                CompletionItemRefMode::Reference(Mutability::Mut) => "&mut ",
                CompletionItemRefMode::Reference(Mutability::Shared) => "&",
                CompletionItemRefMode::Dereference => "*",