public static bool operator !=(LinkPath x, LinkPath y) => Eq.OpNot(x, y);
public static bool operator !=(Index x, Index y) => Eq.OpNot(x, y);
public static bool operator !=(Id x, Id y) => Eq.OpNot(x, y);
public static bool operator !=(Terms x, Terms y) => Eq.OpNot(x, y);
public static bool operator !=(LinkText x, string y) => Eq.OpNot(x.Value, y);
public static bool operator !=(LinkText x, LinkText y) => Eq.OpNot(x, y);