src/main/java/com/arpnetworking/logback/serialization/steno/StenoSerializationHelper.java
public static void startStenoWrapper(
            final ILoggingEvent event,
            final String eventName,
            final JsonGenerator jsonGenerator,
            final ObjectMapper objectMapper)
            throws IOException {

        final StenoSerializationHelper.StenoLevel level = StenoSerializationHelper.StenoLevel.findByLogbackLevel(
                event.getLevel());
        jsonGenerator.writeStartObject();
        jsonGenerator.writeObjectField("time",
                ISO_DATE_TIME_FORMATTER.format(Instant.ofEpochMilli(event.getTimeStamp())));
        jsonGenerator.writeObjectField("name", eventName);
        jsonGenerator.writeObjectField("level", level.name());
    }
public static void startStenoWrapper(
            final ILoggingEvent event,
            final String eventName,
            final JsonGenerator jsonGenerator,
            final ObjectMapper objectMapper)
            throws IOException {

        final StenoSerializationHelper.StenoLevel level = StenoSerializationHelper.StenoLevel.findByLogbackLevel(
                event.getLevel());
        jsonGenerator.writeStartObject();
        jsonGenerator.writeObjectField("time",
                ISO_DATE_TIME_FORMATTER.format(Instant.ofEpochMilli(event.getTimeStamp())));
        jsonGenerator.writeObjectField("name", eventName);
        jsonGenerator.writeObjectField("level", level.name());
    }
Start writing the Steno JSON wrapper.

@since 1.8.0

@param event Instance of <code>ILoggingEvent</code>.
@param eventName The name of the event.
@param jsonGenerator <code>JsonGenerator</code> instance.
@param objectMapper <code>ObjectMapper</code> instance.
@throws java.io.IOException If writing JSON fails.