diff --git a/libraries/tools/kotlin-gradle-plugin/kotlinAnnotation/com/android/build/gradle/annotations.xml b/libraries/tools/kotlin-gradle-plugin/kotlinAnnotation/com/android/build/gradle/annotations.xml
new file mode 100644
index 00000000000..a86a23af2a8
--- /dev/null
+++ b/libraries/tools/kotlin-gradle-plugin/kotlinAnnotation/com/android/build/gradle/annotations.xml
@@ -0,0 +1,5 @@
+<root>
+    <item name='com.android.build.gradle.BaseExtension org.gradle.api.NamedDomainObjectContainer&lt;com.android.build.gradle.api.AndroidSourceSet&gt; getSourceSets()'>
+        <annotation name='org.jetbrains.annotations.NotNull'/>
+    </item>
+</root>
\ No newline at end of file
diff --git a/libraries/tools/kotlin-gradle-plugin/kotlinAnnotation/com/android/build/gradle/api/annotations.xml b/libraries/tools/kotlin-gradle-plugin/kotlinAnnotation/com/android/build/gradle/api/annotations.xml
new file mode 100644
index 00000000000..500ef07cd98
--- /dev/null
+++ b/libraries/tools/kotlin-gradle-plugin/kotlinAnnotation/com/android/build/gradle/api/annotations.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<root>
+  <item name="com.android.build.gradle.api.AndroidSourceSet org.gradle.api.file.SourceDirectorySet getAllJava()">
+    <annotation name="org.jetbrains.annotations.NotNull" />
+  </item>
+  <item name="com.android.build.gradle.api.AndroidSourceSet org.gradle.api.file.SourceDirectorySet getAllSource()">
+    <annotation name="org.jetbrains.annotations.NotNull" />
+  </item>
+  <item name="com.android.build.gradle.api.AndroidSourceSet org.gradle.api.file.SourceDirectorySet getJava()">
+    <annotation name="org.jetbrains.annotations.NotNull" />
+  </item>
+  <item name="com.android.build.gradle.api.ApkVariant com.android.builder.DefaultBuildType getBuildType()">
+    <annotation name="org.jetbrains.annotations.NotNull" />
+  </item>
+  <item name="com.android.build.gradle.api.ApkVariant java.util.List&lt;com.android.builder.DefaultProductFlavor&gt; getProductFlavors()">
+    <annotation name="org.jetbrains.annotations.NotNull" />
+  </item>
+  <item name="com.android.build.gradle.api.BaseVariant com.android.build.gradle.tasks.AidlCompile getAidlCompile()">
+    <annotation name="org.jetbrains.annotations.NotNull" />
+  </item>
+  <item name="com.android.build.gradle.api.BaseVariant com.android.build.gradle.tasks.ProcessAndroidResources getProcessResources()">
+    <annotation name="org.jetbrains.annotations.NotNull" />
+  </item>
+  <item name="com.android.build.gradle.api.BaseVariant com.android.build.gradle.tasks.RenderscriptCompile getRenderscriptCompile()">
+    <annotation name="org.jetbrains.annotations.NotNull" />
+  </item>
+  <item name="com.android.build.gradle.api.LibraryVariant com.android.builder.DefaultBuildType getBuildType()">
+    <annotation name="org.jetbrains.annotations.NotNull" />
+  </item>
+</root>
+
diff --git a/libraries/tools/kotlin-gradle-plugin/kotlinAnnotation/org/apache/commons/io/annotations.xml b/libraries/tools/kotlin-gradle-plugin/kotlinAnnotation/org/apache/commons/io/annotations.xml
new file mode 100644
index 00000000000..0aee42a6e6a
--- /dev/null
+++ b/libraries/tools/kotlin-gradle-plugin/kotlinAnnotation/org/apache/commons/io/annotations.xml
@@ -0,0 +1,5 @@
+<root>
+    <item name='org.apache.commons.io.FilenameUtils java.lang.String getExtension(java.lang.String)'>
+        <annotation name='org.jetbrains.annotations.NotNull'/>
+    </item>
+</root>
\ No newline at end of file