@Override
public Object clone() throws CloneNotSupportedException {
try {
return super.clone();
} catch (CloneNotSupportedException e) {
throw new InternalError(e.getMessage());
}
}
public Liner clone() {
try {
return (Liner) super.clone();
} catch (CloneNotSupportedException ex) {
InternalError error = new InternalError(ex.getMessage());
error.initCause(ex);
throw error;
}
}