[Model] Add AttachmentsElement
diff --git a/jcommons/org.eclipse.statet.jcommons.util/META-INF/MANIFEST.MF b/jcommons/org.eclipse.statet.jcommons.util/META-INF/MANIFEST.MF
index 3f9a5a2..7cc7479 100644
--- a/jcommons/org.eclipse.statet.jcommons.util/META-INF/MANIFEST.MF
+++ b/jcommons/org.eclipse.statet.jcommons.util/META-INF/MANIFEST.MF
@@ -13,6 +13,7 @@
org.eclipse.statet.jcommons.concurrent;version="4.5.0",
org.eclipse.statet.jcommons.io;version="4.5.0",
org.eclipse.statet.jcommons.lang;version="4.5.0",
+ org.eclipse.statet.jcommons.model.core,
org.eclipse.statet.jcommons.net;version="4.5.0",
org.eclipse.statet.jcommons.rmi;version="4.5.0",
org.eclipse.statet.jcommons.runtime;version="4.5.0",
diff --git a/jcommons/org.eclipse.statet.jcommons.util/src/org/eclipse/statet/jcommons/model/core/AttachmentsElement.java b/jcommons/org.eclipse.statet.jcommons.util/src/org/eclipse/statet/jcommons/model/core/AttachmentsElement.java
new file mode 100644
index 0000000..b66b229
--- /dev/null
+++ b/jcommons/org.eclipse.statet.jcommons.util/src/org/eclipse/statet/jcommons/model/core/AttachmentsElement.java
@@ -0,0 +1,30 @@
+/*=============================================================================#
+ # Copyright (c) 2021 Stephan Wahlbrink and others.
+ #
+ # This program and the accompanying materials are made available under the
+ # terms of the Eclipse Public License 2.0 which is available at
+ # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
+ # which is available at https://www.apache.org/licenses/LICENSE-2.0.
+ #
+ # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
+ #
+ # Contributors:
+ # Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation
+ #=============================================================================*/
+
+package org.eclipse.statet.jcommons.model.core;
+
+import org.eclipse.statet.jcommons.collections.ImList;
+import org.eclipse.statet.jcommons.lang.NonNullByDefault;
+
+
+@NonNullByDefault
+public interface AttachmentsElement {
+
+
+ ImList<Object> getAttachments();
+
+ void addAttachment(Object attachment);
+ void removeAttachment(Object attachment);
+
+}
