{"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"source_scopes:"}]}
        source_scopes: IndexVec<SourceScope, SourceScopeData<'tcx>>,
        basic_blocks: IndexVec<BasicBlock, BasicBlockData<'tcx>>,
        local_decls: IndexVec<Local, LocalDecl<'tcx>>,