Terminal API new Event Types (#1501)

* Add NetworkConnected and NetworkDisconnected

* Edit event description

* Update src/main/java/com/adyen/model/nexo/EventToNotifyType.java

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

* Update src/main/java/com/adyen/model/nexo/EventToNotifyType.java

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

---------

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: gcatanese

src/main/java/com/adyen/model/nexo/EventToNotifyType.java

@@ -30,6 +30,8 @@
  *     <enumeration value="CardInserted"/>
  *     <enumeration value="CardRemoved"/>
  *     <enumeration value="Reject"/>
+ *     <enumeration value="NetworkConnected"/>
+ *     <enumeration value="NetworkDisconnected"/>
  *   </restriction>
  * </simpleType>
  * </pre>
@@ -141,7 +143,22 @@ public enum EventToNotifyType {
   @Schema(
       description =
           "A message request is rejected. An error explanation and the message in error have to be put in the EventDetails data element.")
-  REJECT("Reject");
+  REJECT("Reject"),
+
+  /**
+   * The terminal has established a network connection to the POS and is online.
+   */
+  @XmlEnumValue("NetworkConnected")
+  @Schema(description = "The terminal is connected to the POS over the Internet.")
+  NETWORK_CONNECTED("NetworkConnected"),
+
+  /**
+   * The terminal has lost its network connection to the POS and is offline.
+   */
+  @XmlEnumValue("NetworkDisconnected")
+  @Schema(description = "The terminal is disconnected from the POS.")
+  NETWORK_DISCONNECTED("NetworkDisconnected");
+
   private final String value;
 
   EventToNotifyType(String v) {
@@ -165,8 +182,8 @@ public String value() {
    */
   public static EventToNotifyType fromValue(String v) {
     return Arrays.stream(values())
-        .filter(s -> s.value.equals(v))
-        .findFirst()
-        .orElseThrow(() -> new IllegalArgumentException(v));
+            .filter(s -> s.value.equals(v))
+            .findFirst()
+            .orElseThrow(() -> new IllegalArgumentException(v));
   }
 }