diff --git a/build-common/test/org/jetbrains/kotlin/metadata/DebugProtoBuf.java b/build-common/test/org/jetbrains/kotlin/metadata/DebugProtoBuf.java
index 2740fec403a..63d85878e55 100644
--- a/build-common/test/org/jetbrains/kotlin/metadata/DebugProtoBuf.java
+++ b/build-common/test/org/jetbrains/kotlin/metadata/DebugProtoBuf.java
@@ -5811,6 +5811,7 @@ public final class DebugProtoBuf {
      *
      * <pre>
      *suspend
+     *definitelyNonNull
      * </pre>
      */
     boolean hasFlags();
@@ -5819,6 +5820,7 @@ public final class DebugProtoBuf {
      *
      * <pre>
      *suspend
+     *definitelyNonNull
      * </pre>
      */
     int getFlags();
@@ -7149,6 +7151,7 @@ public final class DebugProtoBuf {
      *
      * <pre>
      *suspend
+     *definitelyNonNull
      * </pre>
      */
     public boolean hasFlags() {
@@ -7159,6 +7162,7 @@ public final class DebugProtoBuf {
      *
      * <pre>
      *suspend
+     *definitelyNonNull
      * </pre>
      */
     public int getFlags() {
@@ -8728,6 +8732,7 @@ public final class DebugProtoBuf {
        *
        * <pre>
        *suspend
+       *definitelyNonNull
        * </pre>
        */
       public boolean hasFlags() {
@@ -8738,6 +8743,7 @@ public final class DebugProtoBuf {
        *
        * <pre>
        *suspend
+       *definitelyNonNull
        * </pre>
        */
       public int getFlags() {
@@ -8748,6 +8754,7 @@ public final class DebugProtoBuf {
        *
        * <pre>
        *suspend
+       *definitelyNonNull
        * </pre>
        */
       public Builder setFlags(int value) {
@@ -8761,6 +8768,7 @@ public final class DebugProtoBuf {
        *
        * <pre>
        *suspend
+       *definitelyNonNull
        * </pre>
        */
       public Builder clearFlags() {
diff --git a/core/metadata/src/metadata.proto b/core/metadata/src/metadata.proto
index fbd04ea3df2..2daae4360e8 100644
--- a/core/metadata/src/metadata.proto
+++ b/core/metadata/src/metadata.proto
@@ -161,6 +161,7 @@ message Type {
 
   /*
     suspend
+    definitelyNonNull
    */
   optional int32 flags = 1;
 
diff --git a/core/metadata/src/org/jetbrains/kotlin/metadata/ProtoBuf.java b/core/metadata/src/org/jetbrains/kotlin/metadata/ProtoBuf.java
index 4f253284816..7f7fb77d398 100644
--- a/core/metadata/src/org/jetbrains/kotlin/metadata/ProtoBuf.java
+++ b/core/metadata/src/org/jetbrains/kotlin/metadata/ProtoBuf.java
@@ -4787,6 +4787,7 @@ public final class ProtoBuf {
      *
      * <pre>
      *suspend
+     *definitelyNonNull
      * </pre>
      */
     boolean hasFlags();
@@ -4795,6 +4796,7 @@ public final class ProtoBuf {
      *
      * <pre>
      *suspend
+     *definitelyNonNull
      * </pre>
      */
     int getFlags();
@@ -5930,6 +5932,7 @@ public final class ProtoBuf {
      *
      * <pre>
      *suspend
+     *definitelyNonNull
      * </pre>
      */
     public boolean hasFlags() {
@@ -5940,6 +5943,7 @@ public final class ProtoBuf {
      *
      * <pre>
      *suspend
+     *definitelyNonNull
      * </pre>
      */
     public int getFlags() {
@@ -7123,6 +7127,7 @@ public final class ProtoBuf {
        *
        * <pre>
        *suspend
+       *definitelyNonNull
        * </pre>
        */
       public boolean hasFlags() {
@@ -7133,6 +7138,7 @@ public final class ProtoBuf {
        *
        * <pre>
        *suspend
+       *definitelyNonNull
        * </pre>
        */
       public int getFlags() {
@@ -7143,6 +7149,7 @@ public final class ProtoBuf {
        *
        * <pre>
        *suspend
+       *definitelyNonNull
        * </pre>
        */
       public Builder setFlags(int value) {
@@ -7156,6 +7163,7 @@ public final class ProtoBuf {
        *
        * <pre>
        *suspend
+       *definitelyNonNull
        * </pre>
        */
       public Builder clearFlags() {