class_docstr: Provide numeric type operations
  
  This is an abstract class
class_docstr_tok: ["Provide","numeric","type","operations","This","is","an","abstract","class"]
docstr: Subclasses need to override this only if the process of casting data
  from some accepted dtype to the internal dtype(s) bears the risk of
  truncation (e.g. float to int).
code: def _assert_safe_casting(cls, data, subarr):
      """
      Subclasses need to override this only if the process of casting data
      from some accepted dtype to the internal dtype(s) bears the risk of
      truncation (e.g. float to int).
      """
      pass
  
imports: import warnings
  import numpy
  from pandas._libs import index
  import pandas.compat
  from pandas.util._decorators import Appender, cache_readonly
  from pandas.core.dtypes.common import is_bool, is_bool_dtype, is_dtype_equal, is_extension_array_dtype, is_float, is_integer_dtype, is_scalar, needs_i8_conversion, pandas_dtype
  import pandas.core.dtypes.concat
  from pandas.core.dtypes.missing import isna
  from pandas.core import algorithms
  import pandas.core.common
  import pandas.core.indexes.base
  from pandas.core.indexes.base import Index, InvalidIndexError, _index_shared_docs
  from pandas.core.ops import get_op_result_name
label_desc: Use image node_id 6 for calling the NumericIndex obj's underlying member method code with example usage: obj._assert_safe_casting(cls, data, subarr) without return types