{"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"AllowMultipleAlternatives,"}]}
    AllowMultipleAlternatives, FieldInfo, FieldInnerTy, FieldMap, HasFieldMap, SetOnce,
use crate::diagnostics::utils::{
    SpannedOption, SubdiagnosticKind, build_field_mapping, build_suggestion_code, is_doc_comment,