syntax_data: {"ast_node_type":"other","tokens":[{"end":67,"kind":"keyword","start":0,"text":"self.oldest_cache_entry_index_avoid(avoid_idx"}]}
source_snippet:             self.oldest_cache_entry_index_avoid(avoid_idx as usize)
context_before:             let avoid_idx = if lo_cache_idx != -1 { lo_cache_idx } else { hi_cache_idx };
context_after:         } else {