class_docstr: Generic merge layer for elementwise merge functions.
  
  Used to implement `Sum`, `Average`, etc.
docstr: Intializes a Merge layer.
  
  Args:
    **kwargs: standard layer keyword arguments.
docstr_tok: ["Intializes","a","Merge","layer",".","Args",":","*","*","kwargs",":","standard","layer","keyword","arguments","."]
code: def __init__(self, **kwargs):
      """Intializes a Merge layer.
  
      Args:
        **kwargs: standard layer keyword arguments.
      """
      super(_Merge, self).__init__(**kwargs)
      self.supports_masking = True
  
imports: from tensorflow.python.keras import backend
  from tensorflow.python.keras.engine import base_layer_utils
  from tensorflow.python.keras.engine.base_layer import Layer
  from tensorflow.python.keras.utils import tf_utils
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import array_ops_stack
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import nn
label_desc: Use image node_id 1 to create a new _Merge object from inherited base classes: Layer with example: obj = _Merge()