https://www.graalvm.org/ 
class com.oracle.truffle.object.DefaultStrategy$1 implements com.oracle.truffle.api.object.LocationFactory
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.oracle.truffle.object.DefaultStrategy$1
  super_class: java.lang.Object
{
  private final long val$putFlags;
    descriptor: J
    flags: (0x1012) ACC_PRIVATE, ACC_FINAL, ACC_SYNTHETIC

  void <init>(long);
    descriptor: (J)V
    flags: (0x0000) 
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // com.oracle.truffle.object.DefaultStrategy$1 this
         0: .line 104
            aload 0 /* this */
            lload 1
            putfield com.oracle.truffle.object.DefaultStrategy$1.val$putFlags:J
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.oracle.truffle.object.DefaultStrategy$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/object/DefaultStrategy$1;
    MethodParameters:
              Name  Flags
      val$putFlags  final

  public com.oracle.truffle.api.object.Location createLocation(com.oracle.truffle.api.object.Shape, java.lang.Object);
    descriptor: (Lcom/oracle/truffle/api/object/Shape;Ljava/lang/Object;)Lcom/oracle/truffle/api/object/Location;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=3, args_size=3
        start local 0 // com.oracle.truffle.object.DefaultStrategy$1 this
        start local 1 // com.oracle.truffle.api.object.Shape shape
        start local 2 // java.lang.Object value
         0: .line 107
            aload 1 /* shape */
            checkcast com.oracle.truffle.object.ShapeImpl
            invokevirtual com.oracle.truffle.object.ShapeImpl.allocator:()Lcom/oracle/truffle/object/ShapeImpl$BaseAllocator;
            checkcast com.oracle.truffle.object.CoreAllocator
            aload 2 /* value */
            iconst_1
            aload 2 /* value */
            ifnull 1
            iconst_1
            goto 2
      StackMap locals: com.oracle.truffle.object.DefaultStrategy$1 com.oracle.truffle.api.object.Shape java.lang.Object
      StackMap stack: com.oracle.truffle.object.CoreAllocator java.lang.Object int
         1: iconst_0
      StackMap locals: com.oracle.truffle.object.DefaultStrategy$1 com.oracle.truffle.api.object.Shape java.lang.Object
      StackMap stack: com.oracle.truffle.object.CoreAllocator java.lang.Object int int
         2: aload 0 /* this */
            getfield com.oracle.truffle.object.DefaultStrategy$1.val$putFlags:J
            invokevirtual com.oracle.truffle.object.CoreAllocator.locationForValue:(Ljava/lang/Object;ZZJ)Lcom/oracle/truffle/api/object/Location;
            areturn
        end local 2 // java.lang.Object value
        end local 1 // com.oracle.truffle.api.object.Shape shape
        end local 0 // com.oracle.truffle.object.DefaultStrategy$1 this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    3     0   this  Lcom/oracle/truffle/object/DefaultStrategy$1;
            0    3     1  shape  Lcom/oracle/truffle/api/object/Shape;
            0    3     2  value  Ljava/lang/Object;
    MethodParameters:
       Name  Flags
      shape  
      value  
}
SourceFile: "DefaultStrategy.java"
EnclosingMethod: com.oracle.truffle.object.DefaultStrategy.createDefaultLocationFactory:(J)Lcom/oracle/truffle/api/object/LocationFactory;
NestHost: com.oracle.truffle.object.DefaultStrategy
InnerClasses:
  com.oracle.truffle.object.DefaultStrategy$1
  public abstract BaseAllocator = com.oracle.truffle.object.ShapeImpl$BaseAllocator of com.oracle.truffle.object.ShapeImpl