function(event)
    if not WA_SnapshotLocale then
        setglobal("WA_SnapshotLocale", {});

        local t = WA_SnapshotLocale;

        t["Rip"] = GetSpellInfo(1079) or "Rip";
        t["Rake"] = GetSpellInfo(1822) or "Rake";
        t["Thrash"] = GetSpellInfo(106830) or "Thrash";
        t["Tiger's Fury"] = GetSpellInfo(5217) or "Tiger's Fury";
        t["Savage Roar"] = GetSpellInfo(52610) or "Savage Roar";
        t["Bloodtalons"] = GetSpellInfo(155672) or "Bloodtalons";
        t["Incarnation"] = GetSpellInfo(102543) or "Incarnation: King of the Jungle";
        t["Prowl"] = GetSpellInfo(5215) or "Prowl";
        t["Shadowmeld"] = GetSpellInfo(58984) or "Shadowmeld";
        t["Moonfire"] = GetSpellInfo(8921) or "Moonfire";
    end

    if event == "PLAYER_TALENT_UPDATE" or not WA_hasFoN then
        setglobal("WA_hasFoN", select(4, GetTalentInfo(4, 3, GetActiveSpecGroup())));
    end

    if event == "PLAYER_TALENT_UPDATE" or event == "LEARNED_SPELL_IN_TAB" or not WA_GetSnapshotState then

        local isNightElf = UnitRace("PLAYER") == "Night Elf";
        local hasBT = select(4, GetTalentInfo(7, 2, GetActiveSpecGroup()));
        local hasImpRake = true;
        if not IsSpellKnown(157276) then
            hasImpRake = false;
        end

        local l = WA_SnapshotLocale;

        setglobal("WA_GetSnapshotState", function(isRake)
                local s = {};
                if UnitBuff("player", l["Tiger's Fury"]) then
                    s.TF = true;
                end

                if UnitBuff("player", l["Savage Roar"]) then
                    s.SR = true;
                end

                if hasBT and UnitBuff("player", l["Bloodtalons"]) then
                    s.BT = true;
                end

                if isRake and hasImpRake then
                    print(GetTime()-WA_SnapshotLastStealth);

                    if UnitBuff("player", l["Incarnation"]) or UnitBuff("player", l["Prowl"]) or (isNightElf and UnitBuff("player", l["Shadowmeld"])) or (WA_SnapshotLastStealth and GetTime()-WA_SnapshotLastStealth <= 0.1) then
                        s.ImpRake = true;
                    end
                end

                return s;
        end)
    end

    if not WA_SnapshotInit then
        setglobal("WA_SnapshotInit", function(dest)
                setglobal("WA_SnapshotData", WA_SnapshotData or {
                        ["Thrash"] = {
                            ["cache"] = {},
                        },
                });

                if dest then
                    WA_SnapshotData[dest] = WA_SnapshotData[dest] or {
                        ["Rip"] = {
                            ["state"] = {},
                            ["cache"] = {},
                        },
                        ["Rake"] = {
                            ["state"] = {},
                            ["cache"] = {},
                        },
                        ["Thrash"] = {
                            ["state"] = {},
                        },
                    };
                end
        end)
    end

    if not WA_CacheSnapshot then
        setglobal("WA_CacheSnapshot", function(dest, key)
                if not key or (not dest and key ~= "Thrash") then
                    return
                end

                WA_SnapshotInit(dest);

                if key == "Thrash" then
                    WA_SnapshotData[key].cache = WA_GetSnapshotState();
                else
                    WA_SnapshotData[dest][key].cache = WA_GetSnapshotState(key  == "Rake");
                end
        end)
    end

    if not WA_SaveSnapshot then
        setglobal("WA_SaveSnapshot", function(dest, key)
                if not (dest and key) then
                    return
                end

                WA_SnapshotInit(dest);

                if key == "Thrash" then
                    if not WA_SnapshotData[key].cache then
                        return
                    end

                    WA_SnapshotData[dest][key].state =
                    WA_shallowCopy(WA_SnapshotData[key].cache);
                else
                    if not WA_SnapshotData[dest][key].cache then
                        return
                    end

                    WA_SnapshotData[dest][key].state = WA_shallowCopy(WA_SnapshotData[dest][key].cache);
                    WA_SnapshotData[dest][key].cache = {};
                end

                if WA_SnapshotCurrentTarget and WA_SnapshotCurrentTarget == dest then
                    WeakAuras.ScanEvents("WA_"..string.upper(key).."_APPLIED");
                end
        end)
    end

    if not WA_ClearSnapshot then
        setglobal("WA_ClearSnapshot", function(dest, key)
                if not (dest and key) then
                    return
                end

                WA_SnapshotData[dest][key].state = {};

                if WA_SnapshotCurrentTarget and WA_SnapshotCurrentTarget == dest then
                    WeakAuras.ScanEvents("WA_"..string.upper(key).."_REMOVED");
                end
        end)
    end

    if not WA_shallowCopy then
        setglobal("WA_shallowCopy", function(orig)
                local orig_type = type(orig)
                local copy
                if orig_type == 'table' then
                    copy = {}
                    for orig_key, orig_value in pairs(orig) do
                        copy[orig_key] = orig_value
                    end
                else -- number, string, boolean, etc
                    copy = orig
                end
                return copy
        end)
    end
end