class_docstr: A one-dimensional frame.
  
  Frames with only a single column share certain logic that is encoded in
  this class.
docstr: Return boolean if values in the object are monotonically increasing.
  
  This property is an alias for :attr:`is_monotonic_increasing`.
  
  Returns
  -------
  bool
docstr_tok: ["Return","boolean","if","values","in","the","object","are","monotonically","increasing",".","This","property","is","an","alias","for",":","attr",":","`","is_monotonic_increasing","`",".","Returns","--","--","--","-","bool"]
code: def is_monotonic(self):
      """Return boolean if values in the object are monotonically increasing.
  
      This property is an alias for :attr:`is_monotonic_increasing`.
  
      Returns
      -------
      bool
      """
      # Do not remove until pandas 2.0 support is added.
      warnings.warn(
          "is_monotonic is deprecated and will be removed in a future "
          "version. Use is_monotonic_increasing instead.",
          FutureWarning,
      )
  
      return self.is_monotonic_increasing
  
imports: from __future__ import annotations
  import warnings
  from typing import Any, Dict, Optional, Tuple, Union
  import cupy
  import numpy
  import cudf
  from cudf._typing import Dtype, NotImplementedType, ScalarLike
  from cudf.api.extensions import no_default
  from cudf.api.types import _is_scalar_or_zero_d_array, is_bool_dtype, is_integer, is_integer_dtype
  from cudf.core.column import ColumnBase, as_column
  from cudf.core.frame import Frame
  from cudf.utils.nvtx_annotation import _cudf_nvtx_annotate
  from cudf.utils.utils import NotIterable
label_desc: Use image node_id 17 for calling the SingleColumnFrame obj's underlying member method code with example usage: obj.is_monotonic() and returns: self