{
  "start"   : ["int",   0],
  "steps"   : ["int",  20],
  "window"  : ["int",   8], 
  "weight"  : ["float", 0.2], 
  "stable"  : ["int",   1],
  "conf_thresh" : ["float", 0.3], 
  "forward_max" : ["float", 2], 
  "fb_thresh"   : ["float", 1],
  "eps"         : ["float", 0.00001]
}
