/** Gets the date in UTC when this submission was edited, null if it has not been edited */
@JsonProperty
public Date getEdited() {
JsonNode node = data.get("edited");
// "edited" is false if it hasn't been edited, so return null instead
if (node.isBoolean() && !node.booleanValue()) {
return null;
}
return new Date(node.longValue() * 1000);
}
