function __TS__ArrayFilter(arr, callbackfn)
    local result = {}
    do
        local i = 0
        while i < #arr do
            if callbackfn(_G, arr[i + 1], i, arr) then
                result[#result + 1] = arr[i + 1]
            end
            i = i + 1
        end
    end
    return result
end