{"ast_node_type":"import","tokens":[{"end":41,"kind":"keyword","start":0,"text":"use"}]}
use rustc_middle::ty::{self, Ty, TyCtxt};
use rustc_hir::{Block, Body, Expr, ExprKind, FnDecl, FnRetTy, LangItem, TyKind, find_attr};
use rustc_session::{declare_lint, impl_lint_pass};