https://www.graalvm.org/ 
class com.oracle.truffle.object.DynamicObjectLibraryImpl$PutCacheData extends com.oracle.truffle.object.DynamicObjectLibraryImpl$MutateCacheData
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.oracle.truffle.object.DynamicObjectLibraryImpl$PutCacheData
  super_class: com.oracle.truffle.object.DynamicObjectLibraryImpl$MutateCacheData
{
  final long putFlags;
    descriptor: J
    flags: (0x0010) ACC_FINAL

  final com.oracle.truffle.api.object.Property property;
    descriptor: Lcom/oracle/truffle/api/object/Property;
    flags: (0x0010) ACC_FINAL

  void <init>(long, com.oracle.truffle.api.object.Shape, com.oracle.truffle.api.Assumption, com.oracle.truffle.api.object.Property, com.oracle.truffle.object.DynamicObjectLibraryImpl$MutateCacheData);
    descriptor: (JLcom/oracle/truffle/api/object/Shape;Lcom/oracle/truffle/api/Assumption;Lcom/oracle/truffle/api/object/Property;Lcom/oracle/truffle/object/DynamicObjectLibraryImpl$MutateCacheData;)V
    flags: (0x0000) 
    Code:
      stack=4, locals=7, args_size=6
        start local 0 // com.oracle.truffle.object.DynamicObjectLibraryImpl$PutCacheData this
        start local 1 // long putFlags
        start local 3 // com.oracle.truffle.api.object.Shape newShape
        start local 4 // com.oracle.truffle.api.Assumption newShapeValidAssumption
        start local 5 // com.oracle.truffle.api.object.Property property
        start local 6 // com.oracle.truffle.object.DynamicObjectLibraryImpl$MutateCacheData next
         0: .line 1606
            aload 0 /* this */
            aload 6 /* next */
            aload 3 /* newShape */
            aload 4 /* newShapeValidAssumption */
            invokespecial com.oracle.truffle.object.DynamicObjectLibraryImpl$MutateCacheData.<init>:(Lcom/oracle/truffle/object/DynamicObjectLibraryImpl$MutateCacheData;Lcom/oracle/truffle/api/object/Shape;Lcom/oracle/truffle/api/Assumption;)V
         1: .line 1607
            aload 0 /* this */
            lload 1 /* putFlags */
            putfield com.oracle.truffle.object.DynamicObjectLibraryImpl$PutCacheData.putFlags:J
         2: .line 1608
            aload 0 /* this */
            aload 5 /* property */
            putfield com.oracle.truffle.object.DynamicObjectLibraryImpl$PutCacheData.property:Lcom/oracle/truffle/api/object/Property;
         3: .line 1609
            return
        end local 6 // com.oracle.truffle.object.DynamicObjectLibraryImpl$MutateCacheData next
        end local 5 // com.oracle.truffle.api.object.Property property
        end local 4 // com.oracle.truffle.api.Assumption newShapeValidAssumption
        end local 3 // com.oracle.truffle.api.object.Shape newShape
        end local 1 // long putFlags
        end local 0 // com.oracle.truffle.object.DynamicObjectLibraryImpl$PutCacheData this
      LocalVariableTable:
        Start  End  Slot                     Name  Signature
            0    4     0                     this  Lcom/oracle/truffle/object/DynamicObjectLibraryImpl$PutCacheData;
            0    4     1                 putFlags  J
            0    4     3                 newShape  Lcom/oracle/truffle/api/object/Shape;
            0    4     4  newShapeValidAssumption  Lcom/oracle/truffle/api/Assumption;
            0    4     5                 property  Lcom/oracle/truffle/api/object/Property;
            0    4     6                     next  Lcom/oracle/truffle/object/DynamicObjectLibraryImpl$MutateCacheData;
    MethodParameters:
                         Name  Flags
      putFlags                 
      newShape                 
      newShapeValidAssumption  
      property                 
      next                     

  protected com.oracle.truffle.object.DynamicObjectLibraryImpl$MutateCacheData withNext(com.oracle.truffle.object.DynamicObjectLibraryImpl$MutateCacheData);
    descriptor: (Lcom/oracle/truffle/object/DynamicObjectLibraryImpl$MutateCacheData;)Lcom/oracle/truffle/object/DynamicObjectLibraryImpl$MutateCacheData;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=8, locals=2, args_size=2
        start local 0 // com.oracle.truffle.object.DynamicObjectLibraryImpl$PutCacheData this
        start local 1 // com.oracle.truffle.object.DynamicObjectLibraryImpl$MutateCacheData newNext
         0: .line 1613
            new com.oracle.truffle.object.DynamicObjectLibraryImpl$PutCacheData
            dup
            aload 0 /* this */
            getfield com.oracle.truffle.object.DynamicObjectLibraryImpl$PutCacheData.putFlags:J
            aload 0 /* this */
            getfield com.oracle.truffle.object.DynamicObjectLibraryImpl$PutCacheData.newShape:Lcom/oracle/truffle/api/object/Shape;
            aload 0 /* this */
            getfield com.oracle.truffle.object.DynamicObjectLibraryImpl$PutCacheData.newShapeValidAssumption:Lcom/oracle/truffle/api/Assumption;
            aload 0 /* this */
            getfield com.oracle.truffle.object.DynamicObjectLibraryImpl$PutCacheData.property:Lcom/oracle/truffle/api/object/Property;
            aload 1 /* newNext */
            invokespecial com.oracle.truffle.object.DynamicObjectLibraryImpl$PutCacheData.<init>:(JLcom/oracle/truffle/api/object/Shape;Lcom/oracle/truffle/api/Assumption;Lcom/oracle/truffle/api/object/Property;Lcom/oracle/truffle/object/DynamicObjectLibraryImpl$MutateCacheData;)V
            areturn
        end local 1 // com.oracle.truffle.object.DynamicObjectLibraryImpl$MutateCacheData newNext
        end local 0 // com.oracle.truffle.object.DynamicObjectLibraryImpl$PutCacheData this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    1     0     this  Lcom/oracle/truffle/object/DynamicObjectLibraryImpl$PutCacheData;
            0    1     1  newNext  Lcom/oracle/truffle/object/DynamicObjectLibraryImpl$MutateCacheData;
    MethodParameters:
         Name  Flags
      newNext  
}
SourceFile: "DynamicObjectLibraryImpl.java"
NestHost: com.oracle.truffle.object.DynamicObjectLibraryImpl
InnerClasses:
  MutateCacheData = com.oracle.truffle.object.DynamicObjectLibraryImpl$MutateCacheData of com.oracle.truffle.object.DynamicObjectLibraryImpl
  PutCacheData = com.oracle.truffle.object.DynamicObjectLibraryImpl$PutCacheData of com.oracle.truffle.object.DynamicObjectLibraryImpl