parameters: (self)
docstring: Return all the keys in the reservoir.
  
      Returns:
        ['list', 'of', 'keys'] in the Reservoir.
docstring_summary: Return all the keys in the reservoir.
docstring_tokens: Return all the keys in the reservoir .
function: def Keys(self):
      """Return all the keys in the reservoir.
  
      Returns:
        ['list', 'of', 'keys'] in the Reservoir.
      """
      with self._mutex:
        return list(self._buckets.keys())
function_tokens: def Keys ( self ) : with self . _mutex : return list ( self . _buckets . keys ( ) )