in src/main/java/com/spotify/github/jackson/GitHubInstantJsonSerializer.java [40:49]
public void serialize(
final GitHubInstant value, final JsonGenerator gen, final SerializerProvider serializers)
throws IOException {
if (isNull(value)) {
gen.writeNull();
} else {
serializers.defaultSerializeValue(
value.type().equals(Long.class) ? value.epoch() : value.instant(), gen);
}
}