Method TMappedAllocation

util/system/filemap.h:297–299

        Dealloc();
    }
    TMappedAllocation(TMappedAllocation&& other) noexcept {
        this->swap(other);
    }
    TMappedAllocation& operator=(TMappedAllocation&& other) noexcept {
        this->swap(other);
        return *this;