code: def dumpCoefficients(self):
      pass
  
imports: import pandas
  import numpy
  from .None import Time
  from .None import Perf
  from .None import Plots
  from .None import Utils
  import time
label_desc: Use image node_id 3 for calling the cAbstractAR obj's underlying member method code with example usage: obj.dumpCoefficients() without return types