ExtensionSettingsStore.jsm only imports _osfile.jsm_ to use the `OS.Path` utility.
Bug 1649603 Comment 1 Edit History
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ExtensionSettingsStore.jsm only imports _osfile.jsm_ to use the `OS.Path` utility. ([usage](https://searchfox.org/mozilla-central/source/toolkit/components/extensions/ExtensionSettingsStore.jsm#72))