code: def _reset_buffer(self):
      self.buffered_keys = np.zeros((0, self.key_dimension))
      self.buffered_values = np.zeros((0, self.value_dimension))
      self.buffered_indices = []
      self.buffered_additional_data = []
  
imports: import os
  import pickle
  import numpy
label_desc: Use image node_id 8 for calling the AnnoyDictionary obj's underlying member method code with example usage: obj._reset_buffer() without return types