diff --git a/stubs/rdfdb/grapheditapi.pyi b/stubs/rdfdb/grapheditapi.pyi
new file mode 100644
--- /dev/null
+++ b/stubs/rdfdb/grapheditapi.pyi
@@ -0,0 +1,18 @@
+# Stubs for rdfdb.grapheditapi (Python 3)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+import unittest
+from typing import Any
+
+log: Any
+
+class GraphEditApi:
+    def getObjectPatch(self, context: Any, subject: Any, predicate: Any, newObject: Any): ...
+    def patchObject(self, context: Any, subject: Any, predicate: Any, newObject: Any) -> None: ...
+    def patchSubgraph(self, context: Any, newGraph: Any): ...
+    def patchMapping(self, context: Any, subject: Any, predicate: Any, nodeClass: Any, keyPred: Any, valuePred: Any, newKey: Any, newValue: Any) -> None: ...
+    def removeMappingNode(self, context: Any, node: Any) -> None: ...
+
+class TestPatchSubgraph(unittest.TestCase):
+    def testCollapsesIdenticalQuads(self) -> None: ...