code: def _sanitized_spark_field_name(name):
      return _SPARK_DISALLOWED_CHARS.sub("_", name)
  
imports: from collections import defaultdict
  from contextlib import nullcontext
  from functools import reduce
  import inspect
  import json
  import os
  import re
  import operator
  import warnings
  import pyarrow
  from pyarrow._parquet import ParquetReader, Statistics, FileMetaData, RowGroupMetaData, ColumnChunkMetaData, ParquetSchema, ColumnSchema, ParquetLogicalType, FileEncryptionProperties, FileDecryptionProperties, SortingColumn
  from pyarrow.fs import LocalFileSystem, FileSystem, FileType, _resolve_filesystem_and_path, _ensure_filesystem
  from pyarrow import filesystem
  from pyarrow.util import guid, _is_path_like, _stringify_path, _deprecate_api
label_desc: Use image node_id 4 for calling a global function with example usage: _sanitized_spark_field_name(name) and returns: _SPARK_DISALLOWED_CHARS