class_docstr: Base object for pipeline variables
  
  PipelineVariable subclasses must implement the expr property. Its subclasses include:
  :class:`~sagemaker.workflow.parameters.Parameter`,
  :class:`~sagemaker.workflow.properties.Properties`,
  :class:`~sagemaker.workflow.functions.Join`,
  :class:`~sagemaker.workflow.functions.JsonGet`,
  :class:`~sagemaker.workflow.execution_variables.ExecutionVariable`.
  :class:`~sagemaker.workflow.step_outputs.StepOutput`.
docstr: Override built-in Integer function for PipelineVariable
docstr_tok: ["Override","built-in","Integer","function","for","PipelineVariable"]
code: def __int__(self):
      """Override built-in Integer function for PipelineVariable"""
      raise TypeError(
          "Pipeline variables do not support __int__ operation."
      )
  
imports: from __future__ import absolute_import
  import abc
  from enum import EnumMeta
  from typing import Any, Dict, List, Union, TYPE_CHECKING
label_desc: Use image node_id 3 for calling the PipelineVariable obj's underlying member method code with example usage: obj.__int__() without return types