diff --git a/core/descriptor.loader.java/src/org/jetbrains/kotlin/serialization/jvm/JvmPackageTable.java b/core/descriptor.loader.java/src/org/jetbrains/kotlin/serialization/jvm/JvmPackageTable.java
index 06dabf20de4..ab778c36300 100644
--- a/core/descriptor.loader.java/src/org/jetbrains/kotlin/serialization/jvm/JvmPackageTable.java
+++ b/core/descriptor.loader.java/src/org/jetbrains/kotlin/serialization/jvm/JvmPackageTable.java
@@ -98,7 +98,7 @@ public final class JvmPackageTable {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -1040,7 +1040,7 @@ public final class JvmPackageTable {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
diff --git a/core/descriptor.loader.java/src/org/jetbrains/kotlin/serialization/jvm/JvmProtoBuf.java b/core/descriptor.loader.java/src/org/jetbrains/kotlin/serialization/jvm/JvmProtoBuf.java
index 5f0d082bcc1..a67026ce258 100644
--- a/core/descriptor.loader.java/src/org/jetbrains/kotlin/serialization/jvm/JvmProtoBuf.java
+++ b/core/descriptor.loader.java/src/org/jetbrains/kotlin/serialization/jvm/JvmProtoBuf.java
@@ -93,7 +93,7 @@ public final class JvmProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -351,7 +351,7 @@ public final class JvmProtoBuf {
             org.jetbrains.kotlin.protobuf.ByteString.newOutput();
         org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
             org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-                unknownFieldsOutput);
+                unknownFieldsOutput, 1);
         try {
           boolean done = false;
           while (!done) {
@@ -2155,7 +2155,7 @@ public final class JvmProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -2617,7 +2617,7 @@ public final class JvmProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -3097,7 +3097,7 @@ public final class JvmProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
diff --git a/core/deserialization/src/org/jetbrains/kotlin/serialization/ProtoBuf.java b/core/deserialization/src/org/jetbrains/kotlin/serialization/ProtoBuf.java
index 89e628963ff..0a9cb656f4f 100644
--- a/core/deserialization/src/org/jetbrains/kotlin/serialization/ProtoBuf.java
+++ b/core/deserialization/src/org/jetbrains/kotlin/serialization/ProtoBuf.java
@@ -329,7 +329,7 @@ public final class ProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -778,7 +778,7 @@ public final class ProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -911,7 +911,7 @@ public final class ProtoBuf {
             org.jetbrains.kotlin.protobuf.ByteString.newOutput();
         org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
             org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-                unknownFieldsOutput);
+                unknownFieldsOutput, 1);
         try {
           boolean done = false;
           while (!done) {
@@ -1903,7 +1903,7 @@ public final class ProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -2024,7 +2024,7 @@ public final class ProtoBuf {
             org.jetbrains.kotlin.protobuf.ByteString.newOutput();
         org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
             org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-                unknownFieldsOutput);
+                unknownFieldsOutput, 1);
         try {
           boolean done = false;
           while (!done) {
@@ -2235,7 +2235,7 @@ public final class ProtoBuf {
               org.jetbrains.kotlin.protobuf.ByteString.newOutput();
           org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
               org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-                  unknownFieldsOutput);
+                  unknownFieldsOutput, 1);
           try {
             boolean done = false;
             while (!done) {
@@ -4542,7 +4542,7 @@ public final class ProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -4764,7 +4764,7 @@ public final class ProtoBuf {
             org.jetbrains.kotlin.protobuf.ByteString.newOutput();
         org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
             org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-                unknownFieldsOutput);
+                unknownFieldsOutput, 1);
         try {
           boolean done = false;
           while (!done) {
@@ -6955,7 +6955,7 @@ public final class ProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -8180,7 +8180,7 @@ public final class ProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -11140,7 +11140,7 @@ public final class ProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -12306,7 +12306,7 @@ public final class ProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -12941,7 +12941,7 @@ public final class ProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -13781,7 +13781,7 @@ public final class ProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -15538,7 +15538,7 @@ public final class ProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -17188,7 +17188,7 @@ public final class ProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -18146,7 +18146,7 @@ public final class ProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -19501,7 +19501,7 @@ public final class ProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -19948,7 +19948,7 @@ public final class ProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -20794,7 +20794,7 @@ public final class ProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -21309,7 +21309,7 @@ public final class ProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
diff --git a/generators/src/org/jetbrains/kotlin/generators/protobuf/GenerateProtoBuf.kt b/generators/src/org/jetbrains/kotlin/generators/protobuf/GenerateProtoBuf.kt
index 669a6ca6505..782dd56c74d 100644
--- a/generators/src/org/jetbrains/kotlin/generators/protobuf/GenerateProtoBuf.kt
+++ b/generators/src/org/jetbrains/kotlin/generators/protobuf/GenerateProtoBuf.kt
@@ -131,6 +131,8 @@ private fun renamePackages(protoPath: String, outPath: String) {
     javaFile.writeText(
             javaFile.readLines().map { line ->
                 line.replace("com.google.protobuf", "org.jetbrains.kotlin.protobuf")
+                    // Memory footprint optimizations: do not allocate too big bytes buffers that effectively remain unused
+                    .replace("              unknownFieldsOutput);", "              unknownFieldsOutput, 1);")
             }.joinToString(LineSeparator.getSystemLineSeparator().separatorString)
     )
 }
diff --git a/js/js.serializer/src/org/jetbrains/kotlin/serialization/js/JsProtoBuf.java b/js/js.serializer/src/org/jetbrains/kotlin/serialization/js/JsProtoBuf.java
index adaed6c8342..4cab4f47854 100644
--- a/js/js.serializer/src/org/jetbrains/kotlin/serialization/js/JsProtoBuf.java
+++ b/js/js.serializer/src/org/jetbrains/kotlin/serialization/js/JsProtoBuf.java
@@ -108,7 +108,7 @@ public final class JsProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -742,7 +742,7 @@ public final class JsProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -1331,7 +1331,7 @@ public final class JsProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -1835,7 +1835,7 @@ public final class JsProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -2340,7 +2340,7 @@ public final class JsProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
diff --git a/js/js.serializer/src/org/jetbrains/kotlin/serialization/js/ast/JsAstProtoBuf.java b/js/js.serializer/src/org/jetbrains/kotlin/serialization/js/ast/JsAstProtoBuf.java
index 82b5faf5730..989649e4f1d 100644
--- a/js/js.serializer/src/org/jetbrains/kotlin/serialization/js/ast/JsAstProtoBuf.java
+++ b/js/js.serializer/src/org/jetbrains/kotlin/serialization/js/ast/JsAstProtoBuf.java
@@ -194,7 +194,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -847,7 +847,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -3833,7 +3833,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -4101,7 +4101,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -4369,7 +4369,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -4637,7 +4637,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -4924,7 +4924,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -5358,7 +5358,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -5860,7 +5860,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -6429,7 +6429,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -6986,7 +6986,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -7745,7 +7745,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -8179,7 +8179,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -8685,7 +8685,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -9310,7 +9310,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -10302,7 +10302,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -11007,7 +11007,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -11662,7 +11662,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -12205,7 +12205,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -12779,7 +12779,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -13358,7 +13358,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -14063,7 +14063,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -14855,7 +14855,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -17590,7 +17590,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -17990,7 +17990,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -18394,7 +18394,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
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@@ -18746,7 +18746,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
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+              unknownFieldsOutput, 1);
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@@ -19088,7 +19088,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
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@@ -19375,7 +19375,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
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@@ -19871,7 +19871,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
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@@ -20509,7 +20509,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
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@@ -20991,7 +20991,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
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         boolean done = false;
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@@ -21484,7 +21484,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
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@@ -21981,7 +21981,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
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         boolean done = false;
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@@ -22480,7 +22480,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
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@@ -23136,7 +23136,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
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         boolean done = false;
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@@ -23762,7 +23762,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
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@@ -24379,7 +24379,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
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         boolean done = false;
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@@ -24913,7 +24913,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
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@@ -25483,7 +25483,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
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         boolean done = false;
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@@ -26514,7 +26514,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
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         boolean done = false;
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@@ -26819,7 +26819,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
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         boolean done = false;
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@@ -27609,7 +27609,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -28256,7 +28256,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
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         boolean done = false;
         while (!done) {
@@ -28771,7 +28771,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
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@@ -29151,7 +29151,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
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         boolean done = false;
         while (!done) {
@@ -31051,7 +31051,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
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         boolean done = false;
         while (!done) {
@@ -31614,7 +31614,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -32104,7 +32104,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -32559,7 +32559,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
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         boolean done = false;
         while (!done) {
@@ -33114,7 +33114,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
       try {
         boolean done = false;
         while (!done) {
@@ -33561,7 +33561,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
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         boolean done = false;
         while (!done) {
@@ -34010,7 +34010,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
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         boolean done = false;
         while (!done) {
@@ -34507,7 +34507,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput);
+              unknownFieldsOutput, 1);
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         boolean done = false;
         while (!done) {
@@ -34954,7 +34954,7 @@ public final class JsAstProtoBuf {
           org.jetbrains.kotlin.protobuf.ByteString.newOutput();
       org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
           org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
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+              unknownFieldsOutput, 1);
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