public class com.oracle.truffle.js.runtime.util.WeakMap implements java.util.Map<com.oracle.truffle.api.object.DynamicObject, java.lang.Object>
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: com.oracle.truffle.js.runtime.util.WeakMap
  super_class: java.lang.Object
{
  private static final com.oracle.truffle.api.object.HiddenKey INVERTED_WEAK_MAP_KEY;
    descriptor: Lcom/oracle/truffle/api/object/HiddenKey;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, 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=3, locals=0, args_size=0
         0: .line 61
            ldc Lcom/oracle/truffle/js/runtime/util/WeakMap;
            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.runtime.util.WeakMap.$assertionsDisabled:Z
         3: .line 62
            new com.oracle.truffle.api.object.HiddenKey
            dup
            ldc "InvertedWeakMap"
            invokespecial com.oracle.truffle.api.object.HiddenKey.<init>:(Ljava/lang/String;)V
            putstatic com.oracle.truffle.js.runtime.util.WeakMap.INVERTED_WEAK_MAP_KEY:Lcom/oracle/truffle/api/object/HiddenKey;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.js.runtime.util.WeakMap this
         0: .line 64
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 65
            return
        end local 0 // com.oracle.truffle.js.runtime.util.WeakMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/oracle/truffle/js/runtime/util/WeakMap;

  public static com.oracle.truffle.js.nodes.access.PropertyGetNode createInvertedKeyMapGetNode(com.oracle.truffle.js.runtime.JSContext);
    descriptor: (Lcom/oracle/truffle/js/runtime/JSContext;)Lcom/oracle/truffle/js/nodes/access/PropertyGetNode;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // com.oracle.truffle.js.runtime.JSContext context
         0: .line 68
            getstatic com.oracle.truffle.js.runtime.util.WeakMap.INVERTED_WEAK_MAP_KEY:Lcom/oracle/truffle/api/object/HiddenKey;
            aload 0 /* context */
            invokestatic com.oracle.truffle.js.nodes.access.PropertyGetNode.createGetHidden:(Lcom/oracle/truffle/api/object/HiddenKey;Lcom/oracle/truffle/js/runtime/JSContext;)Lcom/oracle/truffle/js/nodes/access/PropertyGetNode;
            areturn
        end local 0 // com.oracle.truffle.js.runtime.JSContext context
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    1     0  context  Lcom/oracle/truffle/js/runtime/JSContext;
    MethodParameters:
         Name  Flags
      context  

  public static com.oracle.truffle.js.nodes.access.HasHiddenKeyCacheNode createInvertedKeyMapHasNode();
    descriptor: ()Lcom/oracle/truffle/js/nodes/access/HasHiddenKeyCacheNode;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 72
            getstatic com.oracle.truffle.js.runtime.util.WeakMap.INVERTED_WEAK_MAP_KEY:Lcom/oracle/truffle/api/object/HiddenKey;
            invokestatic com.oracle.truffle.js.nodes.access.HasHiddenKeyCacheNode.create:(Lcom/oracle/truffle/api/object/HiddenKey;)Lcom/oracle/truffle/js/nodes/access/HasHiddenKeyCacheNode;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private static com.oracle.truffle.api.object.DynamicObject checkKey(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Lcom/oracle/truffle/api/object/DynamicObject;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // java.lang.Object key
         0: .line 76
            aload 0 /* key */
            instanceof com.oracle.truffle.api.object.DynamicObject
            ifne 2
         1: .line 77
            new java.lang.IllegalArgumentException
            dup
            ldc "key must be instanceof DynamicObject"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 79
      StackMap locals:
      StackMap stack:
            aload 0 /* key */
            checkcast com.oracle.truffle.api.object.DynamicObject
            areturn
        end local 0 // java.lang.Object key
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0   key  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      key   

  private static java.util.Map<com.oracle.truffle.js.runtime.util.WeakMap, java.lang.Object> getInvertedMap(com.oracle.truffle.api.object.DynamicObject, boolean);
    descriptor: (Lcom/oracle/truffle/api/object/DynamicObject;Z)Ljava/util/Map;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.oracle.truffle.api.object.DynamicObject k
        start local 1 // boolean put
         0: .line 84
            aload 0 /* k */
            getstatic com.oracle.truffle.js.runtime.util.WeakMap.INVERTED_WEAK_MAP_KEY:Lcom/oracle/truffle/api/object/HiddenKey;
            invokestatic com.oracle.truffle.js.runtime.objects.JSDynamicObject.hasProperty:(Lcom/oracle/truffle/api/object/DynamicObject;Ljava/lang/Object;)Z
            ifeq 2
         1: .line 85
            aload 0 /* k */
            getstatic com.oracle.truffle.js.runtime.util.WeakMap.INVERTED_WEAK_MAP_KEY:Lcom/oracle/truffle/api/object/HiddenKey;
            invokestatic com.oracle.truffle.js.runtime.objects.JSDynamicObject.getOrNull:(Lcom/oracle/truffle/api/object/DynamicObject;Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.util.WeakHashMap
            areturn
         2: .line 87
      StackMap locals:
      StackMap stack:
            iload 1 /* put */
            ifeq 4
         3: .line 88
            aload 0 /* k */
            invokestatic com.oracle.truffle.js.runtime.util.WeakMap.putInvertedMap:(Lcom/oracle/truffle/api/object/DynamicObject;)Ljava/util/WeakHashMap;
            areturn
         4: .line 90
      StackMap locals:
      StackMap stack:
            invokestatic java.util.Collections.emptyMap:()Ljava/util/Map;
            areturn
        end local 1 // boolean put
        end local 0 // com.oracle.truffle.api.object.DynamicObject k
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0     k  Lcom/oracle/truffle/api/object/DynamicObject;
            0    5     1   put  Z
    Signature: (Lcom/oracle/truffle/api/object/DynamicObject;Z)Ljava/util/Map<Lcom/oracle/truffle/js/runtime/util/WeakMap;Ljava/lang/Object;>;
    MethodParameters:
      Name  Flags
      k     
      put   

  private static java.util.WeakHashMap<com.oracle.truffle.js.runtime.util.WeakMap, java.lang.Object> putInvertedMap(com.oracle.truffle.api.object.DynamicObject);
    descriptor: (Lcom/oracle/truffle/api/object/DynamicObject;)Ljava/util/WeakHashMap;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=3, locals=3, args_size=1
        start local 0 // com.oracle.truffle.api.object.DynamicObject k
         0: .line 96
            new java.util.WeakHashMap
            dup
            invokespecial java.util.WeakHashMap.<init>:()V
            astore 1 /* invertedMap */
        start local 1 // java.util.WeakHashMap invertedMap
         1: .line 97
            iconst_0
            istore 2 /* wasExtensible */
        start local 2 // boolean wasExtensible
         2: .line 98
            getstatic com.oracle.truffle.js.runtime.util.WeakMap.$assertionsDisabled:Z
            ifne 5
            aload 0 /* k */
            invokestatic com.oracle.truffle.js.runtime.objects.JSDynamicObject.getObjectFlags:(Lcom/oracle/truffle/api/object/DynamicObject;)I
            iconst_1
            iand
            ifne 3
            iconst_1
            goto 4
      StackMap locals: java.util.WeakHashMap int
      StackMap stack:
         3: iconst_0
      StackMap locals:
      StackMap stack: int
         4: dup
            istore 2 /* wasExtensible */
            ifne 5
            getstatic java.lang.Boolean.TRUE:Ljava/lang/Boolean;
            invokevirtual java.lang.Boolean.booleanValue:()Z
            ifne 5
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         5: .line 99
      StackMap locals:
      StackMap stack:
            aload 0 /* k */
            getstatic com.oracle.truffle.js.runtime.util.WeakMap.INVERTED_WEAK_MAP_KEY:Lcom/oracle/truffle/api/object/HiddenKey;
            aload 1 /* invertedMap */
            invokestatic com.oracle.truffle.js.runtime.objects.JSObjectUtil.putHiddenProperty:(Lcom/oracle/truffle/api/object/DynamicObject;Ljava/lang/Object;Ljava/lang/Object;)V
         6: .line 100
            getstatic com.oracle.truffle.js.runtime.util.WeakMap.$assertionsDisabled:Z
            ifne 9
            iload 2 /* wasExtensible */
            aload 0 /* k */
            invokestatic com.oracle.truffle.js.runtime.objects.JSDynamicObject.getObjectFlags:(Lcom/oracle/truffle/api/object/DynamicObject;)I
            iconst_1
            iand
            ifne 7
            iconst_1
            goto 8
      StackMap locals:
      StackMap stack: int
         7: iconst_0
      StackMap locals: com.oracle.truffle.api.object.DynamicObject java.util.WeakHashMap int
      StackMap stack: int int
         8: if_icmpeq 9
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         9: .line 101
      StackMap locals:
      StackMap stack:
            aload 1 /* invertedMap */
            areturn
        end local 2 // boolean wasExtensible
        end local 1 // java.util.WeakHashMap invertedMap
        end local 0 // com.oracle.truffle.api.object.DynamicObject k
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   10     0              k  Lcom/oracle/truffle/api/object/DynamicObject;
            1   10     1    invertedMap  Ljava/util/WeakHashMap<Lcom/oracle/truffle/js/runtime/util/WeakMap;Ljava/lang/Object;>;
            2   10     2  wasExtensible  Z
    Signature: (Lcom/oracle/truffle/api/object/DynamicObject;)Ljava/util/WeakHashMap<Lcom/oracle/truffle/js/runtime/util/WeakMap;Ljava/lang/Object;>;
    MethodParameters:
      Name  Flags
      k     

  public boolean containsKey(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // com.oracle.truffle.js.runtime.util.WeakMap this
        start local 1 // java.lang.Object key
         0: .line 106
            aload 1 /* key */
            invokestatic com.oracle.truffle.js.runtime.util.WeakMap.checkKey:(Ljava/lang/Object;)Lcom/oracle/truffle/api/object/DynamicObject;
            astore 2 /* k */
        start local 2 // com.oracle.truffle.api.object.DynamicObject k
         1: .line 107
            aload 2 /* k */
            iconst_0
            invokestatic com.oracle.truffle.js.runtime.util.WeakMap.getInvertedMap:(Lcom/oracle/truffle/api/object/DynamicObject;Z)Ljava/util/Map;
            aload 0 /* this */
            invokeinterface java.util.Map.containsKey:(Ljava/lang/Object;)Z
            ireturn
        end local 2 // com.oracle.truffle.api.object.DynamicObject k
        end local 1 // java.lang.Object key
        end local 0 // com.oracle.truffle.js.runtime.util.WeakMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/oracle/truffle/js/runtime/util/WeakMap;
            0    2     1   key  Ljava/lang/Object;
            1    2     2     k  Lcom/oracle/truffle/api/object/DynamicObject;
    MethodParameters:
      Name  Flags
      key   

  public java.lang.Object get(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // com.oracle.truffle.js.runtime.util.WeakMap this
        start local 1 // java.lang.Object key
         0: .line 112
            aload 1 /* key */
            invokestatic com.oracle.truffle.js.runtime.util.WeakMap.checkKey:(Ljava/lang/Object;)Lcom/oracle/truffle/api/object/DynamicObject;
            astore 2 /* k */
        start local 2 // com.oracle.truffle.api.object.DynamicObject k
         1: .line 113
            aload 2 /* k */
            iconst_0
            invokestatic com.oracle.truffle.js.runtime.util.WeakMap.getInvertedMap:(Lcom/oracle/truffle/api/object/DynamicObject;Z)Ljava/util/Map;
            aload 0 /* this */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            areturn
        end local 2 // com.oracle.truffle.api.object.DynamicObject k
        end local 1 // java.lang.Object key
        end local 0 // com.oracle.truffle.js.runtime.util.WeakMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/oracle/truffle/js/runtime/util/WeakMap;
            0    2     1   key  Ljava/lang/Object;
            1    2     2     k  Lcom/oracle/truffle/api/object/DynamicObject;
    MethodParameters:
      Name  Flags
      key   

  public java.lang.Object put(com.oracle.truffle.api.object.DynamicObject, java.lang.Object);
    descriptor: (Lcom/oracle/truffle/api/object/DynamicObject;Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // com.oracle.truffle.js.runtime.util.WeakMap this
        start local 1 // com.oracle.truffle.api.object.DynamicObject key
        start local 2 // java.lang.Object value
         0: .line 118
            aload 1 /* key */
            invokestatic com.oracle.truffle.js.runtime.util.WeakMap.checkKey:(Ljava/lang/Object;)Lcom/oracle/truffle/api/object/DynamicObject;
            astore 3 /* k */
        start local 3 // com.oracle.truffle.api.object.DynamicObject k
         1: .line 119
            aload 3 /* k */
            iconst_1
            invokestatic com.oracle.truffle.js.runtime.util.WeakMap.getInvertedMap:(Lcom/oracle/truffle/api/object/DynamicObject;Z)Ljava/util/Map;
            aload 0 /* this */
            aload 2 /* value */
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            areturn
        end local 3 // com.oracle.truffle.api.object.DynamicObject k
        end local 2 // java.lang.Object value
        end local 1 // com.oracle.truffle.api.object.DynamicObject key
        end local 0 // com.oracle.truffle.js.runtime.util.WeakMap this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lcom/oracle/truffle/js/runtime/util/WeakMap;
            0    2     1    key  Lcom/oracle/truffle/api/object/DynamicObject;
            0    2     2  value  Ljava/lang/Object;
            1    2     3      k  Lcom/oracle/truffle/api/object/DynamicObject;
    MethodParameters:
       Name  Flags
      key    
      value  

  public java.lang.Object remove(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // com.oracle.truffle.js.runtime.util.WeakMap this
        start local 1 // java.lang.Object key
         0: .line 124
            aload 1 /* key */
            invokestatic com.oracle.truffle.js.runtime.util.WeakMap.checkKey:(Ljava/lang/Object;)Lcom/oracle/truffle/api/object/DynamicObject;
            astore 2 /* k */
        start local 2 // com.oracle.truffle.api.object.DynamicObject k
         1: .line 125
            aload 2 /* k */
            iconst_0
            invokestatic com.oracle.truffle.js.runtime.util.WeakMap.getInvertedMap:(Lcom/oracle/truffle/api/object/DynamicObject;Z)Ljava/util/Map;
            aload 0 /* this */
            invokeinterface java.util.Map.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            areturn
        end local 2 // com.oracle.truffle.api.object.DynamicObject k
        end local 1 // java.lang.Object key
        end local 0 // com.oracle.truffle.js.runtime.util.WeakMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/oracle/truffle/js/runtime/util/WeakMap;
            0    2     1   key  Ljava/lang/Object;
            1    2     2     k  Lcom/oracle/truffle/api/object/DynamicObject;
    MethodParameters:
      Name  Flags
      key   

  public void putAll(java.util.Map<? extends com.oracle.truffle.api.object.DynamicObject, ? extends java.lang.Object>);
    descriptor: (Ljava/util/Map;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.oracle.truffle.js.runtime.util.WeakMap this
        start local 1 // java.util.Map m
         0: .line 130
            aload 1 /* m */
            aload 0 /* this */
            invokedynamic accept(Lcom/oracle/truffle/js/runtime/util/WeakMap;)Ljava/util/function/BiConsumer;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/lang/Object;Ljava/lang/Object;)V
                  com/oracle/truffle/js/runtime/util/WeakMap.put(Lcom/oracle/truffle/api/object/DynamicObject;Ljava/lang/Object;)Ljava/lang/Object; (5)
                  (Lcom/oracle/truffle/api/object/DynamicObject;Ljava/lang/Object;)V
            invokeinterface java.util.Map.forEach:(Ljava/util/function/BiConsumer;)V
         1: .line 131
            return
        end local 1 // java.util.Map m
        end local 0 // com.oracle.truffle.js.runtime.util.WeakMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/oracle/truffle/js/runtime/util/WeakMap;
            0    2     1     m  Ljava/util/Map<+Lcom/oracle/truffle/api/object/DynamicObject;+Ljava/lang/Object;>;
    Signature: (Ljava/util/Map<+Lcom/oracle/truffle/api/object/DynamicObject;+Ljava/lang/Object;>;)V
    MethodParameters:
      Name  Flags
      m     

  public boolean containsValue(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // com.oracle.truffle.js.runtime.util.WeakMap this
        start local 1 // java.lang.Object value
         0: .line 135
            invokestatic com.oracle.truffle.js.runtime.util.WeakMap.unsupported:()Ljava/lang/UnsupportedOperationException;
            athrow
        end local 1 // java.lang.Object value
        end local 0 // com.oracle.truffle.js.runtime.util.WeakMap this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lcom/oracle/truffle/js/runtime/util/WeakMap;
            0    1     1  value  Ljava/lang/Object;
    MethodParameters:
       Name  Flags
      value  

  public int size();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.js.runtime.util.WeakMap this
         0: .line 140
            invokestatic com.oracle.truffle.js.runtime.util.WeakMap.unsupported:()Ljava/lang/UnsupportedOperationException;
            athrow
        end local 0 // com.oracle.truffle.js.runtime.util.WeakMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/js/runtime/util/WeakMap;

  public boolean isEmpty();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.js.runtime.util.WeakMap this
         0: .line 145
            invokestatic com.oracle.truffle.js.runtime.util.WeakMap.unsupported:()Ljava/lang/UnsupportedOperationException;
            athrow
        end local 0 // com.oracle.truffle.js.runtime.util.WeakMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/js/runtime/util/WeakMap;

  public void clear();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.js.runtime.util.WeakMap this
         0: .line 150
            invokestatic com.oracle.truffle.js.runtime.util.WeakMap.unsupported:()Ljava/lang/UnsupportedOperationException;
            athrow
        end local 0 // com.oracle.truffle.js.runtime.util.WeakMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/js/runtime/util/WeakMap;

  public java.util.Set<com.oracle.truffle.api.object.DynamicObject> keySet();
    descriptor: ()Ljava/util/Set;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.js.runtime.util.WeakMap this
         0: .line 155
            invokestatic com.oracle.truffle.js.runtime.util.WeakMap.unsupported:()Ljava/lang/UnsupportedOperationException;
            athrow
        end local 0 // com.oracle.truffle.js.runtime.util.WeakMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/js/runtime/util/WeakMap;
    Signature: ()Ljava/util/Set<Lcom/oracle/truffle/api/object/DynamicObject;>;

  public java.util.Collection<java.lang.Object> values();
    descriptor: ()Ljava/util/Collection;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.js.runtime.util.WeakMap this
         0: .line 160
            invokestatic com.oracle.truffle.js.runtime.util.WeakMap.unsupported:()Ljava/lang/UnsupportedOperationException;
            athrow
        end local 0 // com.oracle.truffle.js.runtime.util.WeakMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/js/runtime/util/WeakMap;
    Signature: ()Ljava/util/Collection<Ljava/lang/Object;>;

  public java.util.Set<java.util.Map$Entry<com.oracle.truffle.api.object.DynamicObject, java.lang.Object>> entrySet();
    descriptor: ()Ljava/util/Set;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.js.runtime.util.WeakMap this
         0: .line 165
            invokestatic com.oracle.truffle.js.runtime.util.WeakMap.unsupported:()Ljava/lang/UnsupportedOperationException;
            athrow
        end local 0 // com.oracle.truffle.js.runtime.util.WeakMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/js/runtime/util/WeakMap;
    Signature: ()Ljava/util/Set<Ljava/util/Map$Entry<Lcom/oracle/truffle/api/object/DynamicObject;Ljava/lang/Object;>;>;

  private static java.lang.UnsupportedOperationException unsupported();
    descriptor: ()Ljava/lang/UnsupportedOperationException;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 169
            new java.lang.UnsupportedOperationException
            dup
            ldc "Not supported by WeakMap"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public java.lang.Object put(java.lang.Object, java.lang.Object);
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=3, locals=3, args_size=3
         0: .line 1
            aload 0
            aload 1
            checkcast com.oracle.truffle.api.object.DynamicObject
            aload 2
            checkcast java.lang.Object
            invokevirtual com.oracle.truffle.js.runtime.util.WeakMap.put:(Lcom/oracle/truffle/api/object/DynamicObject;Ljava/lang/Object;)Ljava/lang/Object;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
Signature: Ljava/lang/Object;Ljava/util/Map<Lcom/oracle/truffle/api/object/DynamicObject;Ljava/lang/Object;>;
SourceFile: "WeakMap.java"
InnerClasses:
  public final Lookup = java.lang.invoke.MethodHandles$Lookup of java.lang.invoke.MethodHandles
  public abstract Entry = java.util.Map$Entry of java.util.Map