class_docstr: Abstract class for creating total return indices and curves, which is for example implemented by FXSpotCurve
  and could be implemented by other asset classes.
class_docstr_tok: ["Abstract","class","for","creating","total","return","indices","and","curves",",","which","is","for","example","implemented","by","FXSpotCurve","and","could","be","implemented","by","other","asset","classes","."]
code: def fetch_continuous_time_series(
      self, md_request, market_data_generator
  ):
      return
  
imports: import abc
label_desc: Use image node_id 2 for calling the AbstractCurve obj's underlying member method code with example usage: obj.fetch_continuous_time_series(md_request, market_data_generator) without return types