{"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":"self"}]}
    self as ast, AssocItemKind, DUMMY_NODE_ID, Expr, ExprKind, GenericParam, GenericParamKind,
use rustc_ast::{
    Item, ItemKind, MethodCall, NodeId, Path, PathSegment, Ty, TyKind,