Complex classes like DrupalDriver often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use DrupalDriver, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 12 | class DrupalDriver implements DriverInterface, SubDriverFinderInterface { |
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| 13 | |||
| 14 | /** |
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| 15 | * Track whether Drupal has been bootstrapped. |
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| 16 | * |
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| 17 | * @var bool |
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| 18 | */ |
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| 19 | private $bootstrapped = FALSE; |
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| 20 | |||
| 21 | /** |
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| 22 | * Drupal core object. |
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| 23 | * |
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| 24 | * @var \Drupal\Driver\Cores\CoreInterface |
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| 25 | */ |
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| 26 | public $core; |
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| 27 | |||
| 28 | /** |
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| 29 | * System path to the Drupal installation. |
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| 30 | * |
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| 31 | * @var string |
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| 32 | */ |
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| 33 | private $drupalRoot; |
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| 34 | |||
| 35 | /** |
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| 36 | * URI for the Drupal installation. |
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| 37 | * |
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| 38 | * @var string |
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| 39 | */ |
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| 40 | private $uri; |
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| 41 | |||
| 42 | /** |
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| 43 | * Drupal core version. |
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| 44 | * |
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| 45 | * @var integer |
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| 46 | */ |
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| 47 | public $version; |
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| 48 | |||
| 49 | /** |
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| 50 | * Set Drupal root and URI. |
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| 51 | * |
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| 52 | * @param string $drupal_root |
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| 53 | * The Drupal root path. |
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| 54 | * @param string $uri |
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| 55 | * The URI for the Drupal installation. |
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| 56 | * |
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| 57 | * @throws BootstrapException |
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| 58 | * Thrown when the Drupal installation is not found in the given root path. |
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| 59 | */ |
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| 60 | public function __construct($drupal_root, $uri) { |
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| 68 | |||
| 69 | /** |
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| 70 | * {@inheritdoc} |
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| 71 | */ |
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| 72 | public function getRandom() { |
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| 75 | |||
| 76 | /** |
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| 77 | * {@inheritdoc} |
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| 78 | */ |
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| 79 | public function bootstrap() { |
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| 83 | |||
| 84 | /** |
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| 85 | * {@inheritdoc} |
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| 86 | */ |
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| 87 | public function isBootstrapped() { |
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| 91 | |||
| 92 | /** |
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| 93 | * {@inheritdoc} |
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| 94 | */ |
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| 95 | public function userCreate(\stdClass $user) { |
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| 98 | |||
| 99 | /** |
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| 100 | * {@inheritdoc} |
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| 101 | */ |
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| 102 | public function userAlter($user, $values) { |
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| 105 | |||
| 106 | /** |
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| 107 | * {@inheritdoc} |
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| 108 | */ |
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| 109 | public function userDelete(\stdClass $user) { |
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| 112 | |||
| 113 | /** |
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| 114 | * {@inheritdoc} |
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| 115 | */ |
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| 116 | public function processBatch() { |
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| 119 | |||
| 120 | /** |
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| 121 | * {@inheritdoc} |
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| 122 | */ |
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| 123 | public function userAddRole(\stdClass $user, $role_name) { |
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| 126 | |||
| 127 | /** |
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| 128 | * {@inheritdoc} |
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| 129 | */ |
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| 130 | public function fetchWatchdog($count = 10, $type = NULL, $severity = NULL) { |
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| 133 | |||
| 134 | /** |
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| 135 | * {@inheritdoc} |
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| 136 | */ |
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| 137 | public function clearCache($type = NULL) { |
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| 140 | |||
| 141 | /** |
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| 142 | * {@inheritdoc} |
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| 143 | */ |
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| 144 | public function getSubDriverPaths() { |
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| 152 | |||
| 153 | /** |
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| 154 | * Determine major Drupal version. |
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| 155 | * |
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| 156 | * @return int |
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| 157 | * The major Drupal version. |
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| 158 | * |
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| 159 | * @throws \Drupal\Driver\Exception\BootstrapException |
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| 160 | * Thrown when the Drupal version could not be determined. |
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| 161 | * |
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| 162 | * @see drush_drupal_version() |
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| 163 | */ |
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| 164 | public function getDrupalVersion() { |
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| 207 | |||
| 208 | /** |
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| 209 | * Instantiate and set Drupal core class. |
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| 210 | * |
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| 211 | * @param array $available_cores |
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| 212 | * A major-version-keyed array of available core controllers. |
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| 213 | */ |
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| 214 | public function setCore(array $available_cores) { |
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| 220 | |||
| 221 | /** |
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| 222 | * Automatically set the core from the current version. |
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| 223 | */ |
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| 224 | public function setCoreFromVersion() { |
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| 228 | |||
| 229 | /** |
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| 230 | * Return current core. |
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| 231 | */ |
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| 232 | public function getCore() { |
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| 235 | |||
| 236 | /** |
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| 237 | * {@inheritdoc} |
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| 238 | */ |
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| 239 | public function createNode($node) { |
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| 242 | |||
| 243 | /** |
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| 244 | * {@inheritdoc} |
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| 245 | */ |
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| 246 | public function nodeAlter($node, $values) { |
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| 249 | |||
| 250 | /** |
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| 251 | * {@inheritdoc} |
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| 252 | */ |
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| 253 | public function nodeDelete($node) { |
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| 256 | |||
| 257 | /** |
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| 258 | * {@inheritdoc} |
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| 259 | */ |
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| 260 | public function runCron() { |
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| 265 | |||
| 266 | /** |
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| 267 | * {@inheritdoc} |
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| 268 | */ |
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| 269 | public function createTerm(\stdClass $term) { |
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| 272 | |||
| 273 | /** |
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| 274 | * {@inheritdoc} |
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| 275 | */ |
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| 276 | public function termDelete(\stdClass $term) { |
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| 279 | |||
| 280 | /** |
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| 281 | * {@inheritdoc} |
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| 282 | */ |
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| 283 | public function roleCreate(array $permissions) { |
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| 286 | |||
| 287 | /** |
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| 288 | * {@inheritdoc} |
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| 289 | */ |
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| 290 | public function roleDelete($rid) { |
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| 293 | |||
| 294 | /** |
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| 295 | * {@inheritdoc} |
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| 296 | */ |
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| 297 | public function isField($entity_type, $field_name) { |
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| 300 | |||
| 301 | /** |
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| 302 | * {@inheritdoc} |
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| 303 | */ |
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| 304 | public function languageCreate($language) { |
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| 307 | |||
| 308 | /** |
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| 309 | * {@inheritdoc} |
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| 310 | */ |
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| 311 | public function languageDelete($language) { |
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| 314 | |||
| 315 | /** |
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| 316 | * {@inheritdoc} |
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| 317 | */ |
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| 318 | public function configGet($name, $key) { |
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| 321 | |||
| 322 | /** |
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| 323 | * {@inheritdoc} |
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| 324 | */ |
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| 325 | public function configSet($name, $key, $value) { |
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| 328 | |||
| 329 | /** |
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| 330 | * {@inheritdoc} |
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| 331 | */ |
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| 332 | public function clearStaticCaches() { |
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| 335 | |||
| 336 | /** |
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| 337 | * {@inheritdoc} |
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| 338 | */ |
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| 339 | public function nodeDeleteMultiple(array $nids) { |
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| 342 | |||
| 343 | /** |
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| 344 | * {@inheritdoc} |
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| 345 | */ |
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| 346 | public function userDeleteMultiple(array $uids) { |
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| 349 | |||
| 350 | } |
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| 351 |