1    package classUtils.pack.util; 
2     
3    /** 
4     * Classes implementing this interface can provide a prefix for a {@link PrefixPrintWriter 
5     * PrefixPrintWriter} object. 
6     * 
7     * @author C. Sadun 
8     * @version 1.0 
9     */ 
10   public interface PrefixProvider { 
11    
12       /** 
13        * Return a string to prefix to the stream lines. 
14        * @return a string to prefix to the stream lines 
15        */ 
16       public String getPrefix(); 
17   }