diff --git a/platform/util-rt/src/com/intellij/openapi/util/io/DataInputOutputUtilRt.java b/platform/util-rt/src/com/intellij/openapi/util/io/DataInputOutputUtilRt.java
index a12c6af9f462..1d8fd4ca8609 100644
--- a/platform/util-rt/src/com/intellij/openapi/util/io/DataInputOutputUtilRt.java
+++ b/platform/util-rt/src/com/intellij/openapi/util/io/DataInputOutputUtilRt.java
@@ -22,6 +22,7 @@ import org.jetbrains.annotations.NotNull;
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
+import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
@@ -43,6 +44,22 @@ public class DataInputOutputUtilRt {
     }
   }
 
+  public static int readINT(@NotNull ByteBuffer byteBuffer) {
+    final int val = byteBuffer.get() & 0xFF;
+    if (val < 192) {
+      return val;
+    }
+
+    int res = val - 192;
+    for (int sh = 6; ; sh += 7) {
+      int next = byteBuffer.get() & 0xFF;
+      res |= (next & 0x7F) << sh;
+      if ((next & 0x80) == 0) {
+        return res;
+      }
+    }
+  }
+
   public static void writeINT(@NotNull DataOutput record, int val) throws IOException {
     if (0 > val || val >= 192) {
       record.writeByte(192 + (val & 0x3F));
@@ -55,6 +72,18 @@ public class DataInputOutputUtilRt {
     record.writeByte(val);
   }
 
+  public static void writeINT(@NotNull ByteBuffer byteBuffer, int val) {
+    if (0 > val || val >= 192) {
+      byteBuffer.put( (byte)(192 + (val & 0x3F)));
+      val >>>= 6;
+      while (val >= 128) {
+        byteBuffer.put((byte)((val & 0x7F) | 0x80));
+        val >>>= 7;
+      }
+    }
+    byteBuffer.put((byte)val);
+  }
+
   /**
    * Writes the given collection to the output using the given procedure to write each element.
    * Should be coupled with {@link #readSeq}
diff --git a/platform/util/src/com/intellij/util/io/DataInputOutputUtil.java b/platform/util/src/com/intellij/util/io/DataInputOutputUtil.java
index 199da87ffa9a..0408d6508475 100644
--- a/platform/util/src/com/intellij/util/io/DataInputOutputUtil.java
+++ b/platform/util/src/com/intellij/util/io/DataInputOutputUtil.java
@@ -40,19 +40,7 @@ public class DataInputOutputUtil extends DataInputOutputUtilRt {
   }
 
   public static int readINT(@NotNull ByteBuffer byteBuffer) {
-    final int val = byteBuffer.get() & 0xFF;
-    if (val < 192) {
-      return val;
-    }
-
-    int res = val - 192;
-    for (int sh = 6; ; sh += 7) {
-      int next = byteBuffer.get() & 0xFF;
-      res |= (next & 0x7F) << sh;
-      if ((next & 0x80) == 0) {
-        return res;
-      }
-    }
+    return DataInputOutputUtilRt.readINT(byteBuffer);
   }
 
   public static void writeINT(@NotNull DataOutput record, int val) throws IOException {
@@ -60,15 +48,7 @@ public class DataInputOutputUtil extends DataInputOutputUtilRt {
   }
 
   public static void writeINT(@NotNull ByteBuffer byteBuffer, int val) {
-    if (0 > val || val >= 192) {
-      byteBuffer.put( (byte)(192 + (val & 0x3F)));
-      val >>>= 6;
-      while (val >= 128) {
-        byteBuffer.put((byte)((val & 0x7F) | 0x80));
-        val >>>= 7;
-      }
-    }
-    byteBuffer.put((byte)val);
+    DataInputOutputUtilRt.writeINT(byteBuffer, val);
   }
 
   public static long readLONG(@NotNull DataInput record) throws IOException {