parameters: (self)
docstring: Estimates the size in bytes of elements in the stream. Not guaranteed to be accurate,
          just used for heuristics.
docstring_summary: Estimates the size in bytes of elements in the stream. Not guaranteed to be accurate,
          just used for heuristics.
docstring_tokens: Estimates the size in bytes of elements in the stream . Not guaranteed to be accurate just used for heuristics .
function: def estimate_size(self) -> int:
          """Estimates the size in bytes of elements in the stream. Not guaranteed to be accurate,
          just used for heuristics."""
          raise NotImplementedError
function_tokens: def estimate_size ( self ) -> int : raise NotImplementedError