diff --git a/libreplan-webapp/src/main/java/org/libreplan/importers/IJiraTimesheetSynchronizer.java b/libreplan-webapp/src/main/java/org/libreplan/importers/IJiraTimesheetSynchronizer.java
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+++ b/libreplan-webapp/src/main/java/org/libreplan/importers/IJiraTimesheetSynchronizer.java
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+/*
+ * This file is part of LibrePlan
+ *
+ * Copyright (C) 2012 Igalia, S.L.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.libreplan.importers;
+
+import java.util.List;
+
+import org.libreplan.business.orders.entities.Order;
+import org.libreplan.business.workreports.entities.WorkReportType;
+import org.libreplan.importers.jira.Issue;
+
+/**
+ * Synchronize the timesheets of order tasks of an existing order with jira
+ * issues.
+ *
+ * A {@link WorkReportType} with the name "jira-connector" must also be exist
+ * and configured properly prior to start synchronization.
+ *
+ * Jira issues will be retrieved from Jira RESTful web service during
+ * synchronization of order elements
+ *
+ * @author Miciele Ghiorghis <m.ghiorghis@antoniusziekenhuis.nl>
+ */
+public interface IJiraTimesheetSynchronizer {
+
+    /**
+     * Synchronize jira timesheet with the specified jira <code>issues</code> .
+     *
+     *
+     * Loop through all jira <code>issues</code> and check if timesheet is
+     * already exist for the specified issue item. If it is, update the
+     * timesheet with that issue item. If not create new one
+     *
+     * @param issues
+     *            the jira issues
+     * @param order
+     *            an existing order
+     */
+    void syncJiraTimesheetWithJiraIssues(List<Issue> issues, Order order);
+
+    /**
+     * returns synchronization info, success or fail info
+     */
+    JiraSyncInfo getJiraSyncInfo();
+
+}