Util — Utility classes for such tasks as string manipulation, cookie management, data manipulation, deferredaction support, and callback support.
ut il—字符串操作、cookie管理、数据操作、延迟动作支持和回调支持等任务的实用程序类。
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Recall that many of the Eclipse extension point definitions require the contributor to statically declare enough information so that loading code can be deferred until the requested action is needed.