None.java

package org.json.zip;

/**
 * None is an interface that makes the constant <i>none</i> (short for
 * negative one or long for -1) available to any class that implements it.
 * The none value is used to stand for an integer that is not an integer,
 * such as the negative result of a search.
 */
public interface None {
    /**
     * Negative One.
     */
    public static final int none = -1;

}