code: def __contains__(self, key: str) -> bool:
      return key in self.mapping
  
file_path: llama.cpp/gguf-py/gguf/tensor_mapping.py
imports: from __future__ import annotations
  from typing import Sequence
  from .constants import MODEL_ARCH, MODEL_TENSOR, MODEL_TENSORS, TENSOR_NAMES
label_desc: Use image node_id 6 for calling the TensorNameMap obj's underlying member method code with example usage: obj.__contains__(key) and returns: unknown