The control outputs topology.
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#### `tf.contrib.graph_editor.ControlOutputs.__init__(graph)` {#ControlOutputs.__init__}

Create a dictionary of control-output dependencies.

##### Args:


*  <b>`graph`</b>: a `tf.Graph`.

##### Returns:

  A dictionary where a key is a `tf.Operation` instance and the
     corresponding value is a list of all the ops which have the key
     as one of their control-input dependencies.

##### Raises:


*  <b>`TypeError`</b>: graph is not a `tf.Graph`.


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#### `tf.contrib.graph_editor.ControlOutputs.get(op)` {#ControlOutputs.get}

return the control outputs of op.


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#### `tf.contrib.graph_editor.ControlOutputs.get_all()` {#ControlOutputs.get_all}




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#### `tf.contrib.graph_editor.ControlOutputs.graph` {#ControlOutputs.graph}




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#### `tf.contrib.graph_editor.ControlOutputs.update()` {#ControlOutputs.update}

Update the control outputs if the graph has changed.


