class_docstr: Visitor to determine if a node is ready to run.
class_docstr_tok: ["Visitor","to","determine","if","a","node","is","ready","to","run","."]
code: def validate_value(self, value):
      assert isinstance(value, nodes.ValueNode)
  
imports: import collections
  import dataclasses
  from typing import Sequence
  from tensorflow_transform import analyzer_nodes
  from tensorflow_transform import nodes
  from tensorflow_transform.beam import beam_nodes
label_desc: Use image node_id 3 for calling the _ValidationVisitor obj's underlying member method code with example usage: obj.validate_value(value) without return types