diff --git a/gradle/external-annotations/com/google/common/base/annotations.xml b/gradle/external-annotations/com/google/common/base/annotations.xml
new file mode 100644
index 00000000..b854e2e9
--- /dev/null
+++ b/gradle/external-annotations/com/google/common/base/annotations.xml
@@ -0,0 +1,5 @@
+<root>
+    <item name='com.google.common.base.Preconditions T checkNotNull(T, java.lang.Object) 1'>
+        <annotation name='org.jetbrains.annotations.NonNls' />
+    </item>
+</root>
diff --git a/gradle/external-annotations/com/google/common/io/annotations.xml b/gradle/external-annotations/com/google/common/io/annotations.xml
new file mode 100644
index 00000000..e912cca1
--- /dev/null
+++ b/gradle/external-annotations/com/google/common/io/annotations.xml
@@ -0,0 +1,5 @@
+<root>
+    <item name='com.google.common.io.Resources java.net.URL getResource(java.lang.String) 0'>
+        <annotation name='org.jetbrains.annotations.NonNls' />
+    </item>
+</root>
diff --git a/gradle/external-annotations/org/testng/annotations.xml b/gradle/external-annotations/org/testng/annotations.xml
new file mode 100644
index 00000000..4c7d5ed8
--- /dev/null
+++ b/gradle/external-annotations/org/testng/annotations.xml
@@ -0,0 +1,5 @@
+<root>
+    <item name='org.testng.Assert void assertEquals(java.lang.String, java.lang.String, java.lang.String) 2'>
+        <annotation name='org.jetbrains.annotations.NonNls' />
+    </item>
+</root>