class_docstr: Base results class.
class_docstr_tok: ["Base","results","class","."]
docstr: Save results object as master file.
docstr_tok: ["Save","results","object","as","master","file","."]
code: def save(self):
      """Save results object as master file."""
      NotImplementedError()
  
imports: import os
  from abc import ABC, abstractmethod
  from warnings import warn
  import numpy
  from joblib import dump, load
label_desc: Use image node_id 11 for calling the BaseResults obj's underlying member method code with example usage: obj.save() without return types