private static CharSequence generateStringNotPresentCondition(
        final boolean inComposite, final int sinceVersion, final String indent)
    {
        if (inComposite || 0 == sinceVersion)
        {
            return "";
        }

        return
            indent + "        if (parentMessage.actingVersion < " + sinceVersion + ")\n" +
            indent + "        {\n" +
            indent + "            return \"\";\n" +
            indent + "        }\n\n";
    }
\n" +
                "     * Field presence indication. Can be optional, required, or constant.\n" +
                "
sbe-tool/src/main/java/uk/co/real_logic/sbe/generation/java/JavaGenerator.java