api: add timestamps to message nodes, expose message id

runelite-api/src/main/java/net/runelite/api/MessageNode.java

@@ -29,6 +29,13 @@ package net.runelite.api;
  */
 public interface MessageNode
 {
+	/**
+	 * Get the id for this message node
+	 *
+	 * @return
+	 */
+	int getId();
+
 	/**
 	 * Gets the type of message.
 	 *
@@ -95,4 +102,18 @@ public interface MessageNode
 	 * @param runeLiteFormatMessage the new message format
 	 */
 	void setRuneLiteFormatMessage(String runeLiteFormatMessage);
+
+	/**
+	 * Get the timestamp for the message, in seconds from the unix epoch.
+	 *
+	 * @return
+	 */
+	int getTimestamp();
+
+	/**
+	 * Set the timestamp of the message
+	 *
+	 * @param timestamp
+	 */
+	void setTimestamp(int timestamp);
 }

runelite-api/src/main/java/net/runelite/api/events/SetMessage.java

@@ -36,4 +36,8 @@ public class SetMessage
 	 * The new message value.
 	 */
 	private String value;
+	/**
+	 * Timestamp of the message.
+	 */
+	private int timestamp;
 }