-import jalview.schemes.ResidueProperties;
-import jalview.schemes.UserColourScheme;
-
-import java.io.BufferedReader;
-import java.io.FileReader;
-import java.io.InputStreamReader;
-import java.io.StringReader;
-import java.net.URL;
-import java.util.ArrayList;
-import java.util.BitSet;
-import java.util.Enumeration;
-import java.util.Hashtable;
-import java.util.List;
-import java.util.Map;
-import java.util.StringTokenizer;
-import java.util.Vector;