class AbstractVirtualMemory implements VirtualMemory {

    @Override
    public String toString() {<FILL_FUNCTION_BODY>}
}

        StringBuilder sb = new StringBuilder();
        sb.append("Swap Used/Avail: ");
        sb.append(FormatUtil.formatBytes(getSwapUsed()));
        sb.append("/");
        sb.append(FormatUtil.formatBytes(getSwapTotal()));
        sb.append(", Virtual Memory In Use/Max=");
        sb.append(FormatUtil.formatBytes(getVirtualInUse()));
        sb.append("/");
        sb.append(FormatUtil.formatBytes(getVirtualMax()));
        return sb.toString();
    
<no_super_class>