code: def time_64bit(self, bitgen):
      min, max = self.uint64info.min, self.uint64info.max
      if bitgen == "numpy":
          self.rg.randint(min, max + 1, nom_size, dtype=np.uint64)
      else:
          self.rg.integers(min, max + 1, nom_size, dtype=np.uint64)
  
imports: from .common import Benchmark
  import numpy
label_desc: Use image node_id 4 for calling the RNG obj's underlying member method code with example usage: obj.time_64bit(bitgen) without return types