code: def hasidx(self, idx: int) -> bool:
      return 0 <= idx < self._next_i
  
file_path: scattertext/scattertext/indexstore/IndexStore.py
imports: from typing import Any, Iterable, List, Set, Tuple
label_desc: Use image node_id 12 for calling the IndexStore obj's underlying member method code with example usage: obj.hasidx(idx) and returns: unknown