* method, which by default return the object itself and is expected to be overridden to calculate better suited key
 * value.
 *
 * @author Benjamin Bentmann
 */
@SuppressWarnings({"checkstyle:methodname"})
public class ModelMerger {

    /**
     * Merges the specified source object into the given target object.
     *

        StandardizedConv2D(tf.keras.Layer): def convolution_op(self, inputs,
        kernel): mean, var = tf.nn.moments(kernel, axes=[0, 1, 2],
        keepdims=True) # Author code uses std + 1e-5 return
        super().convolution_op(inputs, (kernel - mean) / tf.sqrt(var + 1e-10))`
    *   Added `merge_state()` method to `tf.keras.metrics.Metric` for use in
        distributed computations.