class_docstr: Parameters
  ----------
  data : Buffer
      The Timedelta values
  dtype : np.dtype
      The data type
  size : int
      Size of memory allocation.
  mask : Buffer; optional
      The validity mask
  offset : int
      Data offset
  null_count : int, optional
      The number of null values.
      If None, it is calculated automatically.
docstr: Return the number of nanoseconds (n), where 0 <= n < 1 microsecond.
  
  Returns
  -------
  NumericalColumn
docstr_tok: ["Return","the","number","of","nanoseconds","(","n",")",",","where","0","<","=","n","<","1","microsecond",".","Returns","--","--","--","-","NumericalColumn"]
code: def nanoseconds(self) -> "cudf.core.column.NumericalColumn":
      """
      Return the number of nanoseconds (n), where 0 <= n < 1 microsecond.
  
      Returns
      -------
      NumericalColumn
      """
      # This property must return the number of nanoseconds (>= 0 and
      # less than 1 microsecond) for each element, hence first performing
      # mod operation to remove the number of microseconds and then
      # performing division operation to extract the number
      # of nanoseconds.
  
      return (
          self
          % cudf.Scalar(
              np.timedelta64(
                  _unit_to_nanoseconds_conversion["us"], "ns"
              )
          )
      ) // cudf.Scalar(
          np.timedelta64(_unit_to_nanoseconds_conversion["ns"], "ns")
      )
  
imports: from __future__ import annotations
  import datetime
  from typing import Any, Optional, Sequence, cast
  import numpy
  import pandas
  import pyarrow
  from typing_extensions import Self
  import cudf
  from cudf import _lib
  from cudf._typing import ColumnBinaryOperand, DatetimeLikeScalar, Dtype
  from cudf.api.types import is_scalar, is_timedelta64_dtype
  from cudf.core.buffer import Buffer, acquire_spill_lock
  from cudf.core.column import ColumnBase, column, string
  from cudf.utils.dtypes import np_to_pa_dtype
  from cudf.utils.utils import _all_bools_with_nulls
label_desc: Use image node_id 24 for calling the TimeDeltaColumn obj's underlying member method code with example usage: obj.nanoseconds() and returns: unknown