Java/C#: Add query for aiding the conversion of existing negative models.

Author: michaelnebel

csharp/ql/src/utils/modelconverter/ExtractNegativeSummaries.ql

@@ -0,0 +1,14 @@
+/**
+ * @name Extract MaD negative summary model rows.
+ * @description This extracts the Models as data negative summary model rows.
+ * @id csharp/utils/modelconverter/generate-data-extensions-negative-summary
+ */
+
+import csharp
+import semmle.code.csharp.dataflow.ExternalFlow
+
+from string package, string type, string name, string signature, string provenance
+where
+  negativeSummaryModel(package, type, name, signature, provenance) and
+  provenance != "generated"
+select package, type, name, signature, provenance order by package, type, name, signature

java/ql/src/utils/modelconverter/ExtractNegativeSummaries.ql

@@ -0,0 +1,14 @@
+/**
+ * @name Extract MaD negative summary model rows.
+ * @description This extracts the Models as data negative summary model rows.
+ * @id java/utils/modelconverter/generate-data-extensions-negative-summary
+ */
+
+import java
+import semmle.code.java.dataflow.ExternalFlow
+
+from string package, string type, string name, string signature, string provenance
+where
+  negativeSummaryModel(package, type, name, signature, provenance) and
+  provenance != "generated"
+select package, type, name, signature, provenance order by package, type, name, signature