interface WalkHandlerLong
{
boolean onWalk(long k) throws Exception;
}
public static final class Helper
<BUG>{
public static <K> boolean onWalkSafe(WalkHandler<K> handler, K k)</BUG>
{
try
{

interface WalkHandlerLong
{
boolean onWalk(long k) throws Exception;
}
public static final class Helper
{
private Helper()
{
}
public static <K> boolean onWalkSafe(WalkHandler<K> handler, K k)
{
try
{
