code: def get_and_clear_indicators(self):
      data = {}
  
      for key, value in self.data.items():
          value = np.array(value)
          timestamp: np.ndarray = value[:, 0]
          value: np.ndarray = value[:, 1]
          while value.shape[0] > MAX_BUFFER_SIZE:
              if value.shape[0] % 2 == 1:
                  value = np.concatenate((value, value[-1:]))
                  timestamp = np.concatenate(
                      (timestamp, timestamp[-1:])
                  )
  
              n = value.shape[0] // 2
              timestamp = np.mean(timestamp.reshape(n, 2), axis=-1)
              value = np.mean(value.reshape(n, 2), axis=-1)
  
          data[key] = {
              "step": timestamp.tolist(),
              "value": value.tolist(),
          }
  
      self.data = {}
  
      return data
  
imports: import threading
  import time
  from typing import Dict
  from typing import Union
  import numpy
  from ..app import AppTracker, Packet, AppTrackDataSource
  from ..app.url import AppUrlResponseHandler
label_desc: Use image node_id 6 for calling the Writer obj's underlying member method code with example usage: obj.get_and_clear_indicators() and returns: data