--- /dev/null
+package org.simantics.export.core.intf;\r
+\r
+import java.util.Collection;\r
+\r
+import org.simantics.export.core.ExportContext;\r
+import org.simantics.export.core.error.ExportException;\r
+\r
+/**\r
+ * Interface for implementations that discover content in workspace and \r
+ * database. \r
+ *\r
+ * @author toni.kalajainen@semantum.fi\r
+ */\r
+public interface DiscoverAction {\r
+ \r
+ /**\r
+ * Discover content. \r
+ * \r
+ * @param ctx\r
+ * @param startLocations\r
+ * @return a collection of content uris.\r
+ * @throws ExportException\r
+ */\r
+ Collection<String> discoverContent(ExportContext ctx, Collection<String> startLocations) throws ExportException;\r
+ \r
+}\r