class_docstr: Blackbox Optimiser Class. 
class_docstr_tok: ["Blackbox","Optimiser","Class","."]
docstr: Return the curr_opt_val, curr_opt_point and history. 
docstr_tok: ["Return","the","curr_opt_val",",","curr_opt_point","and","history","."]
code: def _get_final_return_quantities(self):
      """Return the curr_opt_val, curr_opt_point and history."""
      return self.curr_opt_val, self.curr_opt_point, self.history
  
imports: from __future__ import division
  from argparse import Namespace
  import numpy
  from ..exd.exd_core import ExperimentDesigner, exd_core_args
  from ..utils.option_handler import load_options
label_desc: Use image node_id 19 for calling the BlackboxOptimiser obj's underlying member method code with example usage: obj._get_final_return_quantities() and returns: self,  self,  self