{"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"AutoDiff,"}]}
    AutoDiff, BranchProtection, CFGuard, Cfg, CollapseMacroDebuginfo, CoverageLevel,
use rustc_session::config::{
    CoverageOptions, DebugInfo, DumpMonoStatsFormat, ErrorOutputType, ExternEntry, ExternLocation,