{"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"ModuleDef::TypeAlias(type_alias)"}]}
                ModuleDef::TypeAlias(type_alias) => {
                ModuleDef::Macro(m) => emit_macro_def_diagnostics(db, acc, m),
                    let source_map = db.type_alias_signature_with_source_map(type_alias.id).1;