class_docstr: You shouldn't use this class directly.
  
  It's used internally to recognize when a default value has been overwritten, even
  if the overridden default value was truthy.
class_docstr_tok: ["You","should","n't","use","this","class","directly",".","It","'s","used","internally","to","recognize","when","a","default","value","has","been","overwritten",",","even","if","the","overridden","default","value","was","truthy","."]
code: def __init__(self, value: Any):
      self.value = value
  
imports: from typing import Any, TypeVar
label_desc: Use image node_id 1 to create a new _DefaultPlaceholder object  with example: obj = _DefaultPlaceholder(value)