--- /dev/null
+/*
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
+ *
+ * This file is part of Jalview.
+ *
+ * Jalview is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
+ *
+ * Jalview 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
+package jalview.io;
+
+import jalview.api.AlignExportSettingI;
+import jalview.api.AlignmentViewPanel;
+import jalview.api.FeatureSettingsModelI;
+import jalview.datamodel.AlignmentI;
+import jalview.datamodel.SequenceI;
+
+public interface AlignmentFileWriterI
+{
+
+ void setNewlineString(String newline);
+
+ void setExportSettings(AlignExportSettingI exportSettings);
+
+ void configureForView(AlignmentViewPanel viewpanel);
+
+ String print(SequenceI[] seqs, boolean jvsuffix);
+
+ boolean hasWarningMessage();
+
+ String getWarningMessage();
+
+}