public final static String SLC_VERSION = "slc:version";
public final static String SLC_VALUE = "slc:value";
public final static String SLC_ADDRESS = "slc:address";
+ public final static String SLC_METADATA = "slc:metadata";
public final static String SLC_STARTED = "slc:started";
public final static String SLC_COMPLETED = "slc:completed";