{"description":"Supports empty key","source_file":"webextensions/api/storage.json","support":{"chrome":{"version_added":true},"edge":{"version_added":"14"},"firefox":{"version_added":"45"},"firefox_android":{"version_added":"48"},"opera":{"version_added":"33"},"safari":{"version_added":false},"safari_ios":{"version_added":false}}}