public static final String ENTITY_DEFINITION = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
      "<hibernate-mapping>\n" +
      "    <class name=\"" + CLASS_NAME + "\" entity-name=\"" + ENTITY_NAME + "\" table=\"" + TABLE_NAME + "\">\n" +
      "        <id name=\"id\" type=\"long\">\n" +
      "            <generator class=\"org.hibernate.id.enhanced.SequenceStyleGenerator\">\n" +
      "                <param name=\"sequence_name\">" + TABLE_NAME + "_GENERATOR</param>\n" +
      "                <param name=\"table_name\">" + TABLE_NAME + "_GENERATOR</param>\n" +
      "                <param name=\"initial_value\">1</param>\n" +
      "                <param name=\"increment_size\">1</param>\n" +
      "            </generator>\n" +
      "        </id>\n" +
      "        <property name=\"entityName\" type=\"string\" length=\"256\" nullable=\"false\" />\n" +
      "        <property name=\"entityId\" type=\"string\" length=\"256\" nullable=\"false\" />\n" +
      "        <property name=\"entityIdHash\" type=\"integer\" index=\"entityIdHash\" nullable=\"false\" />\n" +
      "        <property name=\"payload\" type=\"materialized_blob\" nullable=\"false\" />\n" +
      "        <property name=\"retries\" type=\"integer\" nullable=\"false\" />\n" +
      "        <property name=\"processAfter\" type=\"Instant\" index=\"processAfter\" nullable=\"true\" />\n" +
      "        <property name=\"status\" index=\"status\" nullable=\"false\">\n" +
      "            <type name=\"org.hibernate.type.EnumType\">\n" +
      "                <param name=\"enumClass\">" + OutboxEvent.Status.class.getName() + "</param>\n" +
      "            </type>\n" +
      "        </property>\n" +
      "    </class>\n" +
      "</hibernate-mapping>\n";