1| Change Type | Old Version | New Version | d.ts File | 2| ---- | ------ | ------ | -------- | 3|Permission deleted|Class name: power<br>Method or attribute name: function getPowerMode(): DevicePowerMode;<br>Permission: ohos.permission.POWER_OPTIMIZATION|Class name: power<br>Method or attribute name: function getPowerMode(): DevicePowerMode;<br>Permission: N/A|@ohos.power.d.ts| 4