code: public java.util.List<? extends org.tensorflow.framework.TensorSliceProto.ExtentOrBuilder> 
        getExtentOrBuilderList() {
      return extent_;
    }
docs: <pre>
  Extent of the slice in all tensor dimensions.
  Must have one entry for each of the dimension of the tensor that this
  slice belongs to.  The order of sizes is the same as the order of
  dimensions in the TensorShape.
  </pre>
  
  <code>repeated .tensorflow.TensorSliceProto.Extent extent = 1;</code>