https://www.graalvm.org/ 
public final class com.oracle.truffle.js.nodes.access.PropertyGetNode$DoublePropertyGetNode extends com.oracle.truffle.js.nodes.access.PropertyGetNode$LinkedPropertyGetNode
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: com.oracle.truffle.js.nodes.access.PropertyGetNode$DoublePropertyGetNode
  super_class: com.oracle.truffle.js.nodes.access.PropertyGetNode$LinkedPropertyGetNode
{
  private final com.oracle.truffle.api.object.DoubleLocation location;
    descriptor: Lcom/oracle/truffle/api/object/DoubleLocation;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  static final boolean $assertionsDisabled;
    descriptor: Z
    flags: (0x1018) ACC_STATIC, ACC_FINAL, ACC_SYNTHETIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 470
            ldc Lcom/oracle/truffle/js/nodes/access/PropertyGetNode;
            invokevirtual java.lang.Class.desiredAssertionStatus:()Z
            ifne 1
            iconst_1
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_0
      StackMap locals:
      StackMap stack: int
         2: putstatic com.oracle.truffle.js.nodes.access.PropertyGetNode$DoublePropertyGetNode.$assertionsDisabled:Z
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(com.oracle.truffle.api.object.Property, com.oracle.truffle.js.nodes.access.PropertyCacheNode$ReceiverCheckNode);
    descriptor: (Lcom/oracle/truffle/api/object/Property;Lcom/oracle/truffle/js/nodes/access/PropertyCacheNode$ReceiverCheckNode;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // com.oracle.truffle.js.nodes.access.PropertyGetNode$DoublePropertyGetNode this
        start local 1 // com.oracle.truffle.api.object.Property property
        start local 2 // com.oracle.truffle.js.nodes.access.PropertyCacheNode$ReceiverCheckNode receiverCheck
         0: .line 475
            aload 0 /* this */
            aload 2 /* receiverCheck */
            invokespecial com.oracle.truffle.js.nodes.access.PropertyGetNode$LinkedPropertyGetNode.<init>:(Lcom/oracle/truffle/js/nodes/access/PropertyCacheNode$ReceiverCheckNode;)V
         1: .line 476
            getstatic com.oracle.truffle.js.nodes.access.PropertyGetNode$DoublePropertyGetNode.$assertionsDisabled:Z
            ifne 2
            aload 1 /* property */
            invokestatic com.oracle.truffle.js.runtime.objects.JSProperty.isData:(Lcom/oracle/truffle/api/object/Property;)Z
            ifne 2
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         2: .line 477
      StackMap locals: com.oracle.truffle.js.nodes.access.PropertyGetNode$DoublePropertyGetNode com.oracle.truffle.api.object.Property com.oracle.truffle.js.nodes.access.PropertyCacheNode$ReceiverCheckNode
      StackMap stack:
            aload 0 /* this */
            aload 1 /* property */
            invokevirtual com.oracle.truffle.api.object.Property.getLocation:()Lcom/oracle/truffle/api/object/Location;
            checkcast com.oracle.truffle.api.object.DoubleLocation
            putfield com.oracle.truffle.js.nodes.access.PropertyGetNode$DoublePropertyGetNode.location:Lcom/oracle/truffle/api/object/DoubleLocation;
         3: .line 478
            return
        end local 2 // com.oracle.truffle.js.nodes.access.PropertyCacheNode$ReceiverCheckNode receiverCheck
        end local 1 // com.oracle.truffle.api.object.Property property
        end local 0 // com.oracle.truffle.js.nodes.access.PropertyGetNode$DoublePropertyGetNode this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    4     0           this  Lcom/oracle/truffle/js/nodes/access/PropertyGetNode$DoublePropertyGetNode;
            0    4     1       property  Lcom/oracle/truffle/api/object/Property;
            0    4     2  receiverCheck  Lcom/oracle/truffle/js/nodes/access/PropertyCacheNode$ReceiverCheckNode;
    MethodParameters:
               Name  Flags
      property       
      receiverCheck  

  protected java.lang.Object getValue(java.lang.Object, java.lang.Object, java.lang.Object, com.oracle.truffle.js.nodes.access.PropertyGetNode, boolean);
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Lcom/oracle/truffle/js/nodes/access/PropertyGetNode;Z)Ljava/lang/Object;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=6, args_size=6
        start local 0 // com.oracle.truffle.js.nodes.access.PropertyGetNode$DoublePropertyGetNode this
        start local 1 // java.lang.Object thisObj
        start local 2 // java.lang.Object receiver
        start local 3 // java.lang.Object defaultValue
        start local 4 // com.oracle.truffle.js.nodes.access.PropertyGetNode root
        start local 5 // boolean guard
         0: .line 482
            aload 0 /* this */
            getfield com.oracle.truffle.js.nodes.access.PropertyGetNode$DoublePropertyGetNode.location:Lcom/oracle/truffle/api/object/DoubleLocation;
            aload 0 /* this */
            getfield com.oracle.truffle.js.nodes.access.PropertyGetNode$DoublePropertyGetNode.receiverCheck:Lcom/oracle/truffle/js/nodes/access/PropertyCacheNode$ReceiverCheckNode;
            aload 1 /* thisObj */
            invokevirtual com.oracle.truffle.js.nodes.access.PropertyCacheNode$ReceiverCheckNode.getStore:(Ljava/lang/Object;)Lcom/oracle/truffle/api/object/DynamicObject;
            iload 5 /* guard */
            invokeinterface com.oracle.truffle.api.object.DoubleLocation.getDouble:(Lcom/oracle/truffle/api/object/DynamicObject;Z)D
            invokestatic java.lang.Double.valueOf:(D)Ljava/lang/Double;
            areturn
        end local 5 // boolean guard
        end local 4 // com.oracle.truffle.js.nodes.access.PropertyGetNode root
        end local 3 // java.lang.Object defaultValue
        end local 2 // java.lang.Object receiver
        end local 1 // java.lang.Object thisObj
        end local 0 // com.oracle.truffle.js.nodes.access.PropertyGetNode$DoublePropertyGetNode this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    1     0          this  Lcom/oracle/truffle/js/nodes/access/PropertyGetNode$DoublePropertyGetNode;
            0    1     1       thisObj  Ljava/lang/Object;
            0    1     2      receiver  Ljava/lang/Object;
            0    1     3  defaultValue  Ljava/lang/Object;
            0    1     4          root  Lcom/oracle/truffle/js/nodes/access/PropertyGetNode;
            0    1     5         guard  Z
    MethodParameters:
              Name  Flags
      thisObj       
      receiver      
      defaultValue  
      root          
      guard         

  protected double getValueDouble(java.lang.Object, java.lang.Object, com.oracle.truffle.js.nodes.access.PropertyGetNode, boolean);
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;Lcom/oracle/truffle/js/nodes/access/PropertyGetNode;Z)D
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=5, args_size=5
        start local 0 // com.oracle.truffle.js.nodes.access.PropertyGetNode$DoublePropertyGetNode this
        start local 1 // java.lang.Object thisObj
        start local 2 // java.lang.Object receiver
        start local 3 // com.oracle.truffle.js.nodes.access.PropertyGetNode root
        start local 4 // boolean guard
         0: .line 487
            aload 0 /* this */
            getfield com.oracle.truffle.js.nodes.access.PropertyGetNode$DoublePropertyGetNode.location:Lcom/oracle/truffle/api/object/DoubleLocation;
            aload 0 /* this */
            getfield com.oracle.truffle.js.nodes.access.PropertyGetNode$DoublePropertyGetNode.receiverCheck:Lcom/oracle/truffle/js/nodes/access/PropertyCacheNode$ReceiverCheckNode;
            aload 1 /* thisObj */
            invokevirtual com.oracle.truffle.js.nodes.access.PropertyCacheNode$ReceiverCheckNode.getStore:(Ljava/lang/Object;)Lcom/oracle/truffle/api/object/DynamicObject;
            iload 4 /* guard */
            invokeinterface com.oracle.truffle.api.object.DoubleLocation.getDouble:(Lcom/oracle/truffle/api/object/DynamicObject;Z)D
            dreturn
        end local 4 // boolean guard
        end local 3 // com.oracle.truffle.js.nodes.access.PropertyGetNode root
        end local 2 // java.lang.Object receiver
        end local 1 // java.lang.Object thisObj
        end local 0 // com.oracle.truffle.js.nodes.access.PropertyGetNode$DoublePropertyGetNode this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    1     0      this  Lcom/oracle/truffle/js/nodes/access/PropertyGetNode$DoublePropertyGetNode;
            0    1     1   thisObj  Ljava/lang/Object;
            0    1     2  receiver  Ljava/lang/Object;
            0    1     3      root  Lcom/oracle/truffle/js/nodes/access/PropertyGetNode;
            0    1     4     guard  Z
    MethodParameters:
          Name  Flags
      thisObj   
      receiver  
      root      
      guard     
}
SourceFile: "PropertyGetNode.java"
NestHost: com.oracle.truffle.js.nodes.access.PropertyGetNode
InnerClasses:
  protected abstract ReceiverCheckNode = com.oracle.truffle.js.nodes.access.PropertyCacheNode$ReceiverCheckNode of com.oracle.truffle.js.nodes.access.PropertyCacheNode
  public final DoublePropertyGetNode = com.oracle.truffle.js.nodes.access.PropertyGetNode$DoublePropertyGetNode of com.oracle.truffle.js.nodes.access.PropertyGetNode
  public abstract LinkedPropertyGetNode = com.oracle.truffle.js.nodes.access.PropertyGetNode$LinkedPropertyGetNode of com.oracle.truffle.js.nodes.access.PropertyGetNode