public @CheckForNull FilePath createPath(String absolutePath) {
        VirtualChannel ch = getChannel();
        if(ch==null)    return null;    // offline
        return new FilePath(ch,absolutePath);
    }
public @ CheckForNull FilePath createPath ( String absolutePath ) { VirtualChannel ch = getChannel ( ) ; if ( ch == null ) return null ; return new FilePath ( ch , absolutePath ) ; }
Gets the {@link FilePath} on this node.