{"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":"Applicability,"}]}
    Applicability, Diag, DiagArgValue, DiagCtxtHandle, DiagSymbolList, Diagnostic,
use rustc_errors::{
    EmissionGuarantee, IntoDiagArg, Level, MultiSpan, Subdiagnostic,