class_docstr: Data manager for all plugin.
      
docstr: Get all plugin buckets name.
  
  Returns:
      All plugin keys.
docstr_tok: ["Get","all","plugin","buckets","name",".","Returns",":","All","plugin","keys","."]
code: def get_keys(self):
      """Get all plugin buckets name.
  
      Returns:
          All plugin keys.
      """
      with self._mutex:
          return self._reservoirs.keys()
  
imports: import collections
  import random
  import threading
label_desc: Use image node_id 5 for calling the DataManager obj's underlying member method code with example usage: obj.get_keys() and returns: self