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| [https://dxr.mozilla.org/mozilla-central/search?q=class+ContentSandboxPolicy&redirect=true&case=true Linux (content)]
|style='text-align:center;' colspan="2"|Level 34|style='text-align:center;' colspan="1"|Level 34|style='text-align:center;' colspan="1"| Fx57Fx60|style='text-align:center;' colspan="1"|Level 34|style='text-align:center;' colspan="1"| Fx57Fx60
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| [https://dxr.mozilla.org/mozilla-central/search?q=class+GMPSandboxPolicy&redirect=true&case=true Linux (GMP)]