class_docstr: A clock that you can manually advance by calling sleep
code: def time(self):
      return self.ms() / 1000.0
  
imports: import sys
  import time
  import pytest
  from kafka.errors import QuotaViolationError
  from kafka.metrics import DictReporter, MetricConfig, MetricName, Metrics, Quota
  from kafka.metrics.measurable import AbstractMeasurable
  from kafka.metrics.stats import Avg, Count, Max, Min, Percentile, Percentiles, Rate, Total
  from kafka.metrics.stats.percentiles import BucketSizing
  from kafka.metrics.stats.rate import TimeUnit
label_desc: Use image node_id 2 for calling the TimeKeeper obj's underlying member method code with example usage: obj.time() and returns: unknown