class_docstr: The peer to the :class:MergingState in the internal state type hierarchy.
class_docstr_tok: ["The","peer","to","the",":","class",":","MergingState","in","the","internal","state","type","hierarchy","."]
docstr: Merges the state of the current key for the given source namespaces into the state of the
  target namespace.
  
  :param target: The target namespace where the merged state should be stored.
  :param sources: The source namespaces whose state should be merged.
code: def merge_namespaces(self, target: N, sources: Collection[N]) -> None:
      """
      Merges the state of the current key for the given source namespaces into the state of the
      target namespace.
  
      :param target: The target namespace where the merged state should be stored.
      :param sources: The source namespaces whose state should be merged.
      """
      pass
  
imports: from abc import ABC, abstractmethod
  from typing import Generic, TypeVar, List, Iterable, Collection
  from pyflink.datastream.state import State, ValueState, AppendingState, MergingState, ListState, AggregatingState, ReducingState, MapState, ReadOnlyBroadcastState, BroadcastState
label_desc: Use image node_id 1 for calling the InternalMergingState obj's underlying member method code with example usage: obj.merge_namespaces(target, sources) without return types