https://www.graalvm.org/ 
abstract class com.oracle.truffle.polyglot.PolyglotMap$Cache$RemoveNode extends com.oracle.truffle.polyglot.PolyglotMap$Cache$PolyglotMapNode
  minor version: 0
  major version: 59
  flags: flags: (0x0420) ACC_SUPER, ACC_ABSTRACT
  this_class: com.oracle.truffle.polyglot.PolyglotMap$Cache$RemoveNode
  super_class: com.oracle.truffle.polyglot.PolyglotMap$Cache$PolyglotMapNode
{
  void <init>(com.oracle.truffle.polyglot.PolyglotMap$Cache);
    descriptor: (Lcom/oracle/truffle/polyglot/PolyglotMap$Cache;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.oracle.truffle.polyglot.PolyglotMap$Cache$RemoveNode this
        start local 1 // com.oracle.truffle.polyglot.PolyglotMap$Cache cache
         0: .line 650
            aload 0 /* this */
            aload 1 /* cache */
            invokespecial com.oracle.truffle.polyglot.PolyglotMap$Cache$PolyglotMapNode.<init>:(Lcom/oracle/truffle/polyglot/PolyglotMap$Cache;)V
         1: .line 651
            return
        end local 1 // com.oracle.truffle.polyglot.PolyglotMap$Cache cache
        end local 0 // com.oracle.truffle.polyglot.PolyglotMap$Cache$RemoveNode this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lcom/oracle/truffle/polyglot/PolyglotMap$Cache$RemoveNode;
            0    2     1  cache  Lcom/oracle/truffle/polyglot/PolyglotMap$Cache;
    MethodParameters:
       Name  Flags
      cache  

  protected java.lang.String getOperationName();
    descriptor: ()Ljava/lang/String;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.polyglot.PolyglotMap$Cache$RemoveNode this
         0: .line 655
            ldc "remove"
            areturn
        end local 0 // com.oracle.truffle.polyglot.PolyglotMap$Cache$RemoveNode this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/polyglot/PolyglotMap$Cache$RemoveNode;

  protected java.lang.Object doCached(com.oracle.truffle.polyglot.PolyglotLanguageContext, java.lang.Object, java.lang.Object[], com.oracle.truffle.api.interop.InteropLibrary, com.oracle.truffle.api.profiles.BranchProfile);
    descriptor: (Lcom/oracle/truffle/polyglot/PolyglotLanguageContext;Ljava/lang/Object;[Ljava/lang/Object;Lcom/oracle/truffle/api/interop/InteropLibrary;Lcom/oracle/truffle/api/profiles/BranchProfile;)Ljava/lang/Object;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=5, locals=7, args_size=6
        start local 0 // com.oracle.truffle.polyglot.PolyglotMap$Cache$RemoveNode this
        start local 1 // com.oracle.truffle.polyglot.PolyglotLanguageContext languageContext
        start local 2 // java.lang.Object receiver
        start local 3 // java.lang.Object[] args
        start local 4 // com.oracle.truffle.api.interop.InteropLibrary interop
        start local 5 // com.oracle.truffle.api.profiles.BranchProfile error
         0: .line 663
            aload 3 /* args */
            iconst_2
            aaload
            astore 6 /* key */
        start local 6 // java.lang.Object key
         1: .line 665
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotMap$Cache$RemoveNode.cache:Lcom/oracle/truffle/polyglot/PolyglotMap$Cache;
            getfield com.oracle.truffle.polyglot.PolyglotMap$Cache.memberKey:Z
            ifeq 5
            aload 4 /* interop */
            aload 2 /* receiver */
            invokevirtual com.oracle.truffle.api.interop.InteropLibrary.hasMembers:(Ljava/lang/Object;)Z
            ifeq 5
         2: .line 666
            aload 0 /* this */
            aload 6 /* key */
            invokevirtual com.oracle.truffle.polyglot.PolyglotMap$Cache$RemoveNode.isObjectKey:(Ljava/lang/Object;)Z
            ifeq 9
         3: .line 667
            aload 4 /* interop */
            aload 2 /* receiver */
            aload 6 /* key */
            checkcast java.lang.String
            invokevirtual com.oracle.truffle.api.interop.InteropLibrary.removeMember:(Ljava/lang/Object;Ljava/lang/String;)V
         4: .line 668
            aconst_null
            areturn
         5: .line 670
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotMap$Cache$RemoveNode.cache:Lcom/oracle/truffle/polyglot/PolyglotMap$Cache;
            getfield com.oracle.truffle.polyglot.PolyglotMap$Cache.numberKey:Z
            ifeq 9
            aload 4 /* interop */
            aload 2 /* receiver */
            invokevirtual com.oracle.truffle.api.interop.InteropLibrary.hasArrayElements:(Ljava/lang/Object;)Z
            ifeq 9
         6: .line 671
            aload 0 /* this */
            aload 6 /* key */
            invokevirtual com.oracle.truffle.polyglot.PolyglotMap$Cache$RemoveNode.isArrayKey:(Ljava/lang/Object;)Z
            ifeq 9
         7: .line 672
            aload 4 /* interop */
            aload 2 /* receiver */
            aload 6 /* key */
            invokestatic com.oracle.truffle.polyglot.PolyglotMap.intValue:(Ljava/lang/Object;)I
            i2l
            invokevirtual com.oracle.truffle.api.interop.InteropLibrary.removeArrayElement:(Ljava/lang/Object;J)V
         8: .line 673
            aconst_null
            areturn
         9: .line 677
      StackMap locals:
      StackMap stack:
            aload 5 /* error */
            invokevirtual com.oracle.truffle.api.profiles.BranchProfile.enter:()V
        10: .line 678
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotMap$Cache$RemoveNode.cache:Lcom/oracle/truffle/polyglot/PolyglotMap$Cache;
            getfield com.oracle.truffle.polyglot.PolyglotMap$Cache.keyClass:Ljava/lang/Class;
            aload 6 /* key */
            invokevirtual java.lang.Class.isInstance:(Ljava/lang/Object;)Z
            ifeq 12
            aload 6 /* key */
            instanceof java.lang.Number
            ifne 11
            aload 6 /* key */
            instanceof java.lang.String
            ifeq 12
        11: .line 679
      StackMap locals:
      StackMap stack:
            aload 1 /* languageContext */
            aload 2 /* receiver */
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotMap$Cache$RemoveNode.cache:Lcom/oracle/truffle/polyglot/PolyglotMap$Cache;
            getfield com.oracle.truffle.polyglot.PolyglotMap$Cache.keyClass:Ljava/lang/Class;
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotMap$Cache$RemoveNode.cache:Lcom/oracle/truffle/polyglot/PolyglotMap$Cache;
            getfield com.oracle.truffle.polyglot.PolyglotMap$Cache.valueType:Ljava/lang/reflect/Type;
            ldc "remove"
            invokestatic com.oracle.truffle.polyglot.HostInteropErrors.mapUnsupported:(Lcom/oracle/truffle/polyglot/PolyglotLanguageContext;Ljava/lang/Object;Ljava/lang/reflect/Type;Ljava/lang/reflect/Type;Ljava/lang/String;)Ljava/lang/RuntimeException;
            athrow
        12: .line 681
      StackMap locals:
      StackMap stack:
            aconst_null
            areturn
        13: .line 683
      StackMap locals:
      StackMap stack: com.oracle.truffle.api.interop.InteropException
            pop
        14: .line 684
            aload 5 /* error */
            invokevirtual com.oracle.truffle.api.profiles.BranchProfile.enter:()V
        15: .line 685
            aconst_null
            areturn
        16: .line 686
      StackMap locals:
      StackMap stack: com.oracle.truffle.api.interop.UnsupportedMessageException
            pop
        17: .line 687
            aload 5 /* error */
            invokevirtual com.oracle.truffle.api.profiles.BranchProfile.enter:()V
        18: .line 688
            aload 1 /* languageContext */
            aload 2 /* receiver */
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotMap$Cache$RemoveNode.cache:Lcom/oracle/truffle/polyglot/PolyglotMap$Cache;
            getfield com.oracle.truffle.polyglot.PolyglotMap$Cache.keyClass:Ljava/lang/Class;
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotMap$Cache$RemoveNode.cache:Lcom/oracle/truffle/polyglot/PolyglotMap$Cache;
            getfield com.oracle.truffle.polyglot.PolyglotMap$Cache.valueType:Ljava/lang/reflect/Type;
            ldc "remove"
            invokestatic com.oracle.truffle.polyglot.HostInteropErrors.mapUnsupported:(Lcom/oracle/truffle/polyglot/PolyglotLanguageContext;Ljava/lang/Object;Ljava/lang/reflect/Type;Ljava/lang/reflect/Type;Ljava/lang/String;)Ljava/lang/RuntimeException;
            athrow
        end local 6 // java.lang.Object key
        end local 5 // com.oracle.truffle.api.profiles.BranchProfile error
        end local 4 // com.oracle.truffle.api.interop.InteropLibrary interop
        end local 3 // java.lang.Object[] args
        end local 2 // java.lang.Object receiver
        end local 1 // com.oracle.truffle.polyglot.PolyglotLanguageContext languageContext
        end local 0 // com.oracle.truffle.polyglot.PolyglotMap$Cache$RemoveNode this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0   19     0             this  Lcom/oracle/truffle/polyglot/PolyglotMap$Cache$RemoveNode;
            0   19     1  languageContext  Lcom/oracle/truffle/polyglot/PolyglotLanguageContext;
            0   19     2         receiver  Ljava/lang/Object;
            0   19     3             args  [Ljava/lang/Object;
            0   19     4          interop  Lcom/oracle/truffle/api/interop/InteropLibrary;
            0   19     5            error  Lcom/oracle/truffle/api/profiles/BranchProfile;
            1   19     6              key  Ljava/lang/Object;
      Exception table:
        from    to  target  type
           1     4      13  Class com.oracle.truffle.api.interop.UnknownIdentifierException
           5     8      13  Class com.oracle.truffle.api.interop.UnknownIdentifierException
           9    12      13  Class com.oracle.truffle.api.interop.UnknownIdentifierException
           1     4      13  Class com.oracle.truffle.api.interop.InvalidArrayIndexException
           5     8      13  Class com.oracle.truffle.api.interop.InvalidArrayIndexException
           9    12      13  Class com.oracle.truffle.api.interop.InvalidArrayIndexException
           1     4      16  Class com.oracle.truffle.api.interop.UnsupportedMessageException
           5     8      16  Class com.oracle.truffle.api.interop.UnsupportedMessageException
           9    12      16  Class com.oracle.truffle.api.interop.UnsupportedMessageException
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.dsl.Specialization(limit = "LIMIT")
    RuntimeInvisibleParameterAnnotations: 
      0:
      1:
      2:
      3:
        com.oracle.truffle.api.library.CachedLibrary(value = "receiver")
      4:
        com.oracle.truffle.api.dsl.Cached()
    MethodParameters:
                 Name  Flags
      languageContext  
      receiver         
      args             
      interop          
      error            
}
SourceFile: "PolyglotMap.java"
NestHost: com.oracle.truffle.polyglot.PolyglotMap
InnerClasses:
  final Cache = com.oracle.truffle.polyglot.PolyglotMap$Cache of com.oracle.truffle.polyglot.PolyglotMap
  abstract PolyglotMapNode = com.oracle.truffle.polyglot.PolyglotMap$Cache$PolyglotMapNode of com.oracle.truffle.polyglot.PolyglotMap$Cache
  abstract RemoveNode = com.oracle.truffle.polyglot.PolyglotMap$Cache$RemoveNode of com.oracle.truffle.polyglot.PolyglotMap$Cache