syntax_data: {"ast_node_type":"other","tokens":[{"end":44,"kind":"keyword","start":0,"text":"local_map:"}]}
source_snippet:     local_map: FxHashMap<LocalVarId, Local>,
context_before:     body: &'a mut Body<'tcx>,
context_after:     block_map: FxHashMap<LocalVarId, BasicBlock>,