+ /**
+ * Handles a plugin FCP request.
+ *
+ * @param pluginReplySender
+ * The reply sender
+ * @param parameters
+ * The message parameters
+ * @param data
+ * The message data (may be {@code null})
+ * @param accessType
+ * One of {@link FredPluginFCP#ACCESS_DIRECT},
+ * {@link FredPluginFCP#ACCESS_FCP_FULL},
+ * {@link FredPluginFCP#ACCESS_FCP_RESTRICTED}
+ */