original_docstring: Return the `Seq` representing the reference sequence for this position.
docstring: Return the `Seq` representing the reference sequence for this position.
docstring_tokens: Return the ` Seq ` representing the reference sequence for this position .
code: def reference_sequence(self) -> Seq:
          """Return the `Seq` representing the reference sequence for this position."""
          if self._reference:
              return self._reference
  
          return self._parent.reference_sequence
code_tokens: def reference_sequence ( self ) -> Seq : if self . _reference : return self . _reference return self . _parent . reference_sequence
short_docstring: Return the `Seq` representing the reference sequence for this position.
short_docstring_tokens: Return the ` Seq ` representing the reference sequence for this position .
comment: """Return the `Seq` representing the reference sequence for this position."""