/wro4j-extensions/src/main/java/ro/isdc/wro/extensions/processor/js/JsonHPackProcessor.java
if ( pack) {   return engine.pack( content) ; }
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} } private String doProcess(final String content) { final JsonHPack engine = enginePool.getObject(); try { if (pack) { <extra_id_0> } return engine.unpack(content); } finally { enginePool.returnObject(engine); } }