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[
{
"namespace": "sessions",
"annotations": [
{
"text": "Thunderbird's sessions API is similar to the $(url:mdn-sessions-api)[Firefox sessions API], but it doesn't support accessing or restoring closed tabs."
},
{
"note": "The Sessions API currently does not require the <permission>sessions</permission> permission, but it will soon. It's recommended to request this permission before it becomes mandatory, to ensure your add-on continues to function properly."
}
]
}
]