private static boolean isMapType()

in ingestion-core/src/main/java/com/mozilla/telemetry/ingestion/core/transform/PubsubMessageToObjectNode.java [433:440]


    private static boolean isMapType(Field field) {
      return field.getType() == LegacySQLTypeName.RECORD && field.getMode() == Field.Mode.REPEATED
          && ((field.getSubFields().size() == 2 //
              && field.getSubFields().get(0).getName().equals("key") //
              && field.getSubFields().get(1).getName().equals("value"))
              || (field.getSubFields().size() == 1
                  && field.getSubFields().get(0).getName().equals("key")));
    }