https://www.graalvm.org/ 
public final class com.oracle.truffle.js.nodes.access.PropertyCacheNode$ShapeCheckNode extends com.oracle.truffle.js.nodes.access.PropertyCacheNode$AbstractShapeCheckNode
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: com.oracle.truffle.js.nodes.access.PropertyCacheNode$ShapeCheckNode
  super_class: com.oracle.truffle.js.nodes.access.PropertyCacheNode$AbstractShapeCheckNode
{
  private final com.oracle.truffle.api.Assumption shapeValidAssumption;
    descriptor: Lcom/oracle/truffle/api/Assumption;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  public void <init>(com.oracle.truffle.api.object.Shape);
    descriptor: (Lcom/oracle/truffle/api/object/Shape;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.oracle.truffle.js.nodes.access.PropertyCacheNode$ShapeCheckNode this
        start local 1 // com.oracle.truffle.api.object.Shape shape
         0: .line 242
            aload 0 /* this */
            aload 1 /* shape */
            invokespecial com.oracle.truffle.js.nodes.access.PropertyCacheNode$AbstractShapeCheckNode.<init>:(Lcom/oracle/truffle/api/object/Shape;)V
         1: .line 243
            aload 0 /* this */
            aload 1 /* shape */
            invokevirtual com.oracle.truffle.api.object.Shape.getValidAssumption:()Lcom/oracle/truffle/api/Assumption;
            putfield com.oracle.truffle.js.nodes.access.PropertyCacheNode$ShapeCheckNode.shapeValidAssumption:Lcom/oracle/truffle/api/Assumption;
         2: .line 244
            return
        end local 1 // com.oracle.truffle.api.object.Shape shape
        end local 0 // com.oracle.truffle.js.nodes.access.PropertyCacheNode$ShapeCheckNode this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    3     0   this  Lcom/oracle/truffle/js/nodes/access/PropertyCacheNode$ShapeCheckNode;
            0    3     1  shape  Lcom/oracle/truffle/api/object/Shape;
    MethodParameters:
       Name  Flags
      shape  

  public com.oracle.truffle.api.object.DynamicObject getStore(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Lcom/oracle/truffle/api/object/DynamicObject;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.oracle.truffle.js.nodes.access.PropertyCacheNode$ShapeCheckNode this
        start local 1 // java.lang.Object thisObj
         0: .line 248
            aload 0 /* this */
            invokevirtual com.oracle.truffle.js.nodes.access.PropertyCacheNode$ShapeCheckNode.getShape:()Lcom/oracle/truffle/api/object/Shape;
            invokevirtual com.oracle.truffle.api.object.Shape.getLayout:()Lcom/oracle/truffle/api/object/Layout;
            invokevirtual com.oracle.truffle.api.object.Layout.getType:()Ljava/lang/Class;
            aload 1 /* thisObj */
            invokevirtual java.lang.Class.cast:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast com.oracle.truffle.api.object.DynamicObject
            areturn
        end local 1 // java.lang.Object thisObj
        end local 0 // com.oracle.truffle.js.nodes.access.PropertyCacheNode$ShapeCheckNode this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    1     0     this  Lcom/oracle/truffle/js/nodes/access/PropertyCacheNode$ShapeCheckNode;
            0    1     1  thisObj  Ljava/lang/Object;
    MethodParameters:
         Name  Flags
      thisObj  

  public boolean isValid();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.js.nodes.access.PropertyCacheNode$ShapeCheckNode this
         0: .line 253
            aload 0 /* this */
            getfield com.oracle.truffle.js.nodes.access.PropertyCacheNode$ShapeCheckNode.shapeValidAssumption:Lcom/oracle/truffle/api/Assumption;
            invokeinterface com.oracle.truffle.api.Assumption.isValid:()Z
            ireturn
        end local 0 // com.oracle.truffle.js.nodes.access.PropertyCacheNode$ShapeCheckNode this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/js/nodes/access/PropertyCacheNode$ShapeCheckNode;
}
SourceFile: "PropertyCacheNode.java"
NestHost: com.oracle.truffle.js.nodes.access.PropertyCacheNode
InnerClasses:
  protected abstract AbstractShapeCheckNode = com.oracle.truffle.js.nodes.access.PropertyCacheNode$AbstractShapeCheckNode of com.oracle.truffle.js.nodes.access.PropertyCacheNode
  protected final ShapeCheckNode = com.oracle.truffle.js.nodes.access.PropertyCacheNode$ShapeCheckNode of com.oracle.truffle.js.nodes.access.PropertyCacheNode