testing

HeraldEmptyFieldValue.php
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			<?php

			final class HeraldEmptyFieldValue
			extends HeraldFieldValue {

			public function getFieldValueKey() {
			return 'none';
			}

			public function getControlType() {
			return self::CONTROL_NONE;
			}

			public function renderFieldValue($value) {
			return null;
			}

			}