package org.adbcj.h2.decoding;

public final class Constants {
    /**
     * The TCP protocol version number 11.
     */
    public static final int TCP_PROTOCOL_VERSION_12 = 12;
    
    /**
     * The TCP protocol version number 14.
     */
    public static final int TCP_PROTOCOL_VERSION_14 = 14;
    
    /**
     * The TCP protocl version number 15.
     * @since 2017-09-24 little-pan
     */
    public static final int TCP_PROTOCOL_VERSION_15 = 15;
    
    
}

package org.adbcj.h2.decoding;

public final class Constants {
    public static final int TCP_PROTOCOL_VERSION_12 = 12;


    public static final int TCP_PROTOCOL_VERSION_14 = 14;


    public static final int TCP_PROTOCOL_VERSION_15 = 15;
    
    
}

Remove commenting the obvious.