@@ -155,7 +155,7 @@ public function getRootNodeName()
155155 * @param \DOMNode $node
156156 * @param string $val
157157 *
158- * @return Boolean
158+ * @return bool
159159 */
160160 final protected function appendXMLString (\DOMNode $ node , $ val )
161161 {
@@ -174,7 +174,7 @@ final protected function appendXMLString(\DOMNode $node, $val)
174174 * @param \DOMNode $node
175175 * @param string $val
176176 *
177- * @return Boolean
177+ * @return bool
178178 */
179179 final protected function appendText (\DOMNode $ node , $ val )
180180 {
@@ -188,7 +188,7 @@ final protected function appendText(\DOMNode $node, $val)
188188 * @param \DOMNode $node
189189 * @param string $val
190190 *
191- * @return Boolean
191+ * @return bool
192192 */
193193 final protected function appendCData (\DOMNode $ node , $ val )
194194 {
@@ -202,7 +202,7 @@ final protected function appendCData(\DOMNode $node, $val)
202202 * @param \DOMNode $node
203203 * @param \DOMDocumentFragment $fragment
204204 *
205- * @return Boolean
205+ * @return bool
206206 */
207207 final protected function appendDocumentFragment (\DOMNode $ node , $ fragment )
208208 {
@@ -220,7 +220,7 @@ final protected function appendDocumentFragment(\DOMNode $node, $fragment)
220220 *
221221 * @param string $name
222222 *
223- * @return Boolean
223+ * @return bool
224224 */
225225 final protected function isElementNameValid ($ name )
226226 {
@@ -287,7 +287,7 @@ private function parseXml(\SimpleXmlElement $node)
287287 * @param array|object $data
288288 * @param string|null $xmlRootNodeName
289289 *
290- * @return Boolean
290+ * @return bool
291291 *
292292 * @throws UnexpectedValueException
293293 */
@@ -356,7 +356,7 @@ private function buildXml(\DOMNode $parentNode, $data, $xmlRootNodeName = null)
356356 * @param string $nodeName
357357 * @param string $key
358358 *
359- * @return Boolean
359+ * @return bool
360360 */
361361 private function appendNode (\DOMNode $ parentNode , $ data , $ nodeName , $ key = null )
362362 {
@@ -378,7 +378,7 @@ private function appendNode(\DOMNode $parentNode, $data, $nodeName, $key = null)
378378 *
379379 * @param string $val
380380 *
381- * @return Boolean
381+ * @return bool
382382 */
383383 private function needsCdataWrapping ($ val )
384384 {
@@ -391,7 +391,7 @@ private function needsCdataWrapping($val)
391391 * @param \DOMNode $node
392392 * @param mixed $val
393393 *
394- * @return Boolean
394+ * @return bool
395395 */
396396 private function selectNodeType (\DOMNode $ node , $ val )
397397 {
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