Add protobuf extensions to serialized Java descriptors

#KT-17621 In Progress

core/deserialization/src/descriptors.proto

@@ -216,7 +216,7 @@ message Class {
 
   optional VersionRequirementTable version_requirement_table = 32;
 
-  extensions 100 to 199;
+  extensions 100 to 18999;
 }
 
 message Package {
@@ -252,7 +252,7 @@ message Constructor {
   // Index into the VersionRequirementTable
   optional int32 version_requirement = 31;
 
-  extensions 100 to 199;
+  extensions 100 to 18999;
 }
 
 message Function {
@@ -291,7 +291,7 @@ message Function {
 
   optional Contract contract = 32;
 
-  extensions 100 to 199;
+  extensions 100 to 18999;
 }
 
 message Property {
@@ -339,7 +339,7 @@ message Property {
   // Index into the VersionRequirementTable
   optional int32 version_requirement = 31;
 
-  extensions 100 to 199;
+  extensions 100 to 18999;
 }
 
 message ValueParameter {
@@ -545,4 +545,4 @@ message Expression {
   // Additionally, if first argument of formula is primitive expression (i.e. predicate or value),
   // it is optimized and embedded straight into this message.
   repeated Expression or_argument = 7;
-}
+}

core/deserialization/src/org/jetbrains/kotlin/serialization/ProtoBuf.java

@@ -9116,7 +9116,7 @@ public final class ProtoBuf {
       if (((bitField0_ & 0x00000020) == 0x00000020)) {
         output.writeMessage(32, versionRequirementTable_);
       }
-      extensionWriter.writeUntil(200, output);
+      extensionWriter.writeUntil(19000, output);
       output.writeRawBytes(unknownFields);
     }
 
@@ -13137,7 +13137,7 @@ public final class ProtoBuf {
       if (((bitField0_ & 0x00000002) == 0x00000002)) {
         output.writeInt32(31, versionRequirement_);
       }
-      extensionWriter.writeUntil(200, output);
+      extensionWriter.writeUntil(19000, output);
       output.writeRawBytes(unknownFields);
     }
 
@@ -14310,7 +14310,7 @@ public final class ProtoBuf {
       if (((bitField0_ & 0x00000200) == 0x00000200)) {
         output.writeMessage(32, contract_);
       }
-      extensionWriter.writeUntil(200, output);
+      extensionWriter.writeUntil(19000, output);
       output.writeRawBytes(unknownFields);
     }
 
@@ -16160,7 +16160,7 @@ public final class ProtoBuf {
       if (((bitField0_ & 0x00000400) == 0x00000400)) {
         output.writeInt32(31, versionRequirement_);
       }
-      extensionWriter.writeUntil(200, output);
+      extensionWriter.writeUntil(19000, output);
       output.writeRawBytes(unknownFields);
     }