Both the chart data service and the chart data updater depend on the chart data accessor to load data from or store data to a data store.

图表数据服务和图表数据更新器都依赖图表数据访问器来从数据存储加载数据，或向其中存储数据。

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Here, the accessor methods for user and service data are synchronized, which means that they are synchronizing on the AttributesStore object.

这里，用户和服务数据的访问器方法是同步的，这意味着它们在AttributesStore对象上同步。

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Here, the accessor methods for user and service data are synchronized, which means that they are synchronizing on the AttributesStore object.

这里，用户和服务数据的访问器方法是同步的，这意味着它们在AttributesStore对象上同步。

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