String getString(short offset) {
		if (keySet.containsKey(offset)) {
	        int row = getRow(offset,false);
	        return table.getString(row,0);
		}
		return null;
    }
Get the String property at the given offset.
@param offset offset into the page
@return string value for specified offset or null
@exception ClassCastException thrown if the page
does not support String values for properties
Ghidra/Framework/Generic/src/main/java/ghidra/util/map/ValueStoragePage.java