https://www.graalvm.org/ 
final class com.oracle.truffle.polyglot.HostExecuteNode$TargetMappingType extends com.oracle.truffle.polyglot.HostExecuteNode$TypeCheckNode
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: com.oracle.truffle.polyglot.HostExecuteNode$TargetMappingType
  super_class: com.oracle.truffle.polyglot.HostExecuteNode$TypeCheckNode
{
  final com.oracle.truffle.polyglot.PolyglotTargetMapping[] mappings;
    descriptor: [Lcom/oracle/truffle/polyglot/PolyglotTargetMapping;
    flags: (0x0010) ACC_FINAL
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.CompilerDirectives$CompilationFinal(dimensions = 1)

  final com.oracle.truffle.polyglot.PolyglotTargetMapping[] otherMappings;
    descriptor: [Lcom/oracle/truffle/polyglot/PolyglotTargetMapping;
    flags: (0x0010) ACC_FINAL
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.CompilerDirectives$CompilationFinal(dimensions = 1)

  com.oracle.truffle.polyglot.HostExecuteNode$TypeCheckNode fallback;
    descriptor: Lcom/oracle/truffle/polyglot/HostExecuteNode$TypeCheckNode;
    flags: (0x0000) 
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.nodes.Node$Child()

  com.oracle.truffle.polyglot.TargetMappingNode targetMapping;
    descriptor: Lcom/oracle/truffle/polyglot/TargetMappingNode;
    flags: (0x0000) 
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.nodes.Node$Child()

  final com.oracle.truffle.polyglot.TargetMappingNode$SingleMappingNode[] mappingNodes;
    descriptor: [Lcom/oracle/truffle/polyglot/TargetMappingNode$SingleMappingNode;
    flags: (0x0010) ACC_FINAL
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.nodes.Node$Children()

  final com.oracle.truffle.polyglot.TargetMappingNode$SingleMappingNode[] otherMappingNodes;
    descriptor: [Lcom/oracle/truffle/polyglot/TargetMappingNode$SingleMappingNode;
    flags: (0x0010) ACC_FINAL
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.nodes.Node$Children()

  final int priority;
    descriptor: I
    flags: (0x0010) ACC_FINAL

  void <init>(com.oracle.truffle.polyglot.HostExecuteNode$TypeCheckNode, com.oracle.truffle.polyglot.PolyglotTargetMapping[], com.oracle.truffle.polyglot.PolyglotTargetMapping[], int);
    descriptor: (Lcom/oracle/truffle/polyglot/HostExecuteNode$TypeCheckNode;[Lcom/oracle/truffle/polyglot/PolyglotTargetMapping;[Lcom/oracle/truffle/polyglot/PolyglotTargetMapping;I)V
    flags: (0x0000) 
    Code:
      stack=3, locals=5, args_size=5
        start local 0 // com.oracle.truffle.polyglot.HostExecuteNode$TargetMappingType this
         0: .line 78
            new java.lang.Error
            dup
            ldc "Unresolved compilation problems: \n\tThe import com.oracle.truffle.polyglot.TargetMappingNodeGen cannot be resolved\n\tHostExecuteNodeGen cannot be resolved\n\tToHostNodeGen cannot be resolved\n\tTargetMappingNodeGen cannot be resolved\n\tSingleMappingNodeGen cannot be resolved\n\tSingleMappingNodeGen cannot be resolved\n"
            invokespecial java.lang.Error.<init>:(Ljava/lang/String;)V
            athrow
        end local 0 // com.oracle.truffle.polyglot.HostExecuteNode$TargetMappingType this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/polyglot/HostExecuteNode$TargetMappingType;
    MethodParameters:
               Name  Flags
      fallback       
      mappings       
      otherMappings  
      priority       

  boolean execute(java.lang.Object, com.oracle.truffle.api.interop.InteropLibrary, com.oracle.truffle.polyglot.PolyglotLanguageContext);
    descriptor: (Ljava/lang/Object;Lcom/oracle/truffle/api/interop/InteropLibrary;Lcom/oracle/truffle/polyglot/PolyglotLanguageContext;)Z
    flags: (0x0000) 
    Code:
      stack=6, locals=7, args_size=4
        start local 0 // com.oracle.truffle.polyglot.HostExecuteNode$TargetMappingType this
        start local 1 // java.lang.Object test
        start local 2 // com.oracle.truffle.api.interop.InteropLibrary interop
        start local 3 // com.oracle.truffle.polyglot.PolyglotLanguageContext languageContext
         0: .line 934
            iconst_0
            istore 4 /* i */
        start local 4 // int i
         1: goto 9
         2: .line 935
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.HostExecuteNode$TargetMappingType.otherMappings:[Lcom/oracle/truffle/polyglot/PolyglotTargetMapping;
            iload 4 /* i */
            aaload
            astore 5 /* mapping */
        start local 5 // com.oracle.truffle.polyglot.PolyglotTargetMapping mapping
         3: .line 936
            aload 5 /* mapping */
            getfield com.oracle.truffle.polyglot.PolyglotTargetMapping.hostPriority:I
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.HostExecuteNode$TargetMappingType.priority:I
            if_icmple 5
         4: .line 937
            goto 10
         5: .line 939
      StackMap locals: com.oracle.truffle.polyglot.PolyglotTargetMapping
      StackMap stack:
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.HostExecuteNode$TargetMappingType.otherMappingNodes:[Lcom/oracle/truffle/polyglot/TargetMappingNode$SingleMappingNode;
            iload 4 /* i */
            aaload
            aload 1 /* test */
            aload 5 /* mapping */
            aload 3 /* languageContext */
            aload 2 /* interop */
            iconst_1
            invokevirtual com.oracle.truffle.polyglot.TargetMappingNode$SingleMappingNode.execute:(Ljava/lang/Object;Lcom/oracle/truffle/polyglot/PolyglotTargetMapping;Lcom/oracle/truffle/polyglot/PolyglotLanguageContext;Lcom/oracle/truffle/api/interop/InteropLibrary;Z)Ljava/lang/Object;
            astore 6 /* result */
        start local 6 // java.lang.Object result
         6: .line 940
            aload 6 /* result */
            getstatic java.lang.Boolean.TRUE:Ljava/lang/Boolean;
            if_acmpne 8
         7: .line 941
            iconst_0
            ireturn
        end local 6 // java.lang.Object result
        end local 5 // com.oracle.truffle.polyglot.PolyglotTargetMapping mapping
         8: .line 934
      StackMap locals:
      StackMap stack:
            iinc 4 /* i */ 1
      StackMap locals:
      StackMap stack:
         9: iload 4 /* i */
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.HostExecuteNode$TargetMappingType.otherMappingNodes:[Lcom/oracle/truffle/polyglot/TargetMappingNode$SingleMappingNode;
            arraylength
            if_icmplt 2
        end local 4 // int i
        10: .line 945
      StackMap locals:
      StackMap stack:
            iconst_0
            istore 4 /* i */
        start local 4 // int i
        11: goto 19
        12: .line 946
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.HostExecuteNode$TargetMappingType.mappings:[Lcom/oracle/truffle/polyglot/PolyglotTargetMapping;
            iload 4 /* i */
            aaload
            astore 5 /* mapping */
        start local 5 // com.oracle.truffle.polyglot.PolyglotTargetMapping mapping
        13: .line 947
            aload 5 /* mapping */
            getfield com.oracle.truffle.polyglot.PolyglotTargetMapping.hostPriority:I
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.HostExecuteNode$TargetMappingType.priority:I
            if_icmple 15
        14: .line 948
            goto 20
        15: .line 950
      StackMap locals: com.oracle.truffle.polyglot.PolyglotTargetMapping
      StackMap stack:
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.HostExecuteNode$TargetMappingType.mappingNodes:[Lcom/oracle/truffle/polyglot/TargetMappingNode$SingleMappingNode;
            iload 4 /* i */
            aaload
            aload 1 /* test */
            aload 5 /* mapping */
            aload 3 /* languageContext */
            aload 2 /* interop */
            iconst_1
            invokevirtual com.oracle.truffle.polyglot.TargetMappingNode$SingleMappingNode.execute:(Ljava/lang/Object;Lcom/oracle/truffle/polyglot/PolyglotTargetMapping;Lcom/oracle/truffle/polyglot/PolyglotLanguageContext;Lcom/oracle/truffle/api/interop/InteropLibrary;Z)Ljava/lang/Object;
            astore 6 /* result */
        start local 6 // java.lang.Object result
        16: .line 951
            aload 6 /* result */
            getstatic java.lang.Boolean.TRUE:Ljava/lang/Boolean;
            if_acmpne 18
        17: .line 952
            iconst_1
            ireturn
        end local 6 // java.lang.Object result
        end local 5 // com.oracle.truffle.polyglot.PolyglotTargetMapping mapping
        18: .line 945
      StackMap locals:
      StackMap stack:
            iinc 4 /* i */ 1
      StackMap locals:
      StackMap stack:
        19: iload 4 /* i */
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.HostExecuteNode$TargetMappingType.mappingNodes:[Lcom/oracle/truffle/polyglot/TargetMappingNode$SingleMappingNode;
            arraylength
            if_icmplt 12
        end local 4 // int i
        20: .line 955
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.HostExecuteNode$TargetMappingType.fallback:Lcom/oracle/truffle/polyglot/HostExecuteNode$TypeCheckNode;
            aload 1 /* test */
            aload 2 /* interop */
            aload 3 /* languageContext */
            invokevirtual com.oracle.truffle.polyglot.HostExecuteNode$TypeCheckNode.execute:(Ljava/lang/Object;Lcom/oracle/truffle/api/interop/InteropLibrary;Lcom/oracle/truffle/polyglot/PolyglotLanguageContext;)Z
            ireturn
        end local 3 // com.oracle.truffle.polyglot.PolyglotLanguageContext languageContext
        end local 2 // com.oracle.truffle.api.interop.InteropLibrary interop
        end local 1 // java.lang.Object test
        end local 0 // com.oracle.truffle.polyglot.HostExecuteNode$TargetMappingType this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0   21     0             this  Lcom/oracle/truffle/polyglot/HostExecuteNode$TargetMappingType;
            0   21     1             test  Ljava/lang/Object;
            0   21     2          interop  Lcom/oracle/truffle/api/interop/InteropLibrary;
            0   21     3  languageContext  Lcom/oracle/truffle/polyglot/PolyglotLanguageContext;
            1   10     4                i  I
            3    8     5          mapping  Lcom/oracle/truffle/polyglot/PolyglotTargetMapping;
            6    8     6           result  Ljava/lang/Object;
           11   20     4                i  I
           13   18     5          mapping  Lcom/oracle/truffle/polyglot/PolyglotTargetMapping;
           16   18     6           result  Ljava/lang/Object;
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.nodes.ExplodeLoop()
    MethodParameters:
                 Name  Flags
      test             
      interop          
      languageContext  

  public boolean equals(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.polyglot.HostExecuteNode$TargetMappingType this
        start local 1 // java.lang.Object obj
         0: .line 960
            aload 0 /* this */
            aload 1 /* obj */
            if_acmpne 2
         1: .line 961
            iconst_1
            ireturn
         2: .line 963
      StackMap locals:
      StackMap stack:
            aload 1 /* obj */
            instanceof com.oracle.truffle.polyglot.HostExecuteNode$TargetMappingType
            ifne 4
         3: .line 964
            iconst_0
            ireturn
         4: .line 966
      StackMap locals:
      StackMap stack:
            aload 1 /* obj */
            checkcast com.oracle.truffle.polyglot.HostExecuteNode$TargetMappingType
            astore 2 /* other */
        start local 2 // com.oracle.truffle.polyglot.HostExecuteNode$TargetMappingType other
         5: .line 967
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.HostExecuteNode$TargetMappingType.mappings:[Lcom/oracle/truffle/polyglot/PolyglotTargetMapping;
            aload 2 /* other */
            getfield com.oracle.truffle.polyglot.HostExecuteNode$TargetMappingType.mappings:[Lcom/oracle/truffle/polyglot/PolyglotTargetMapping;
            invokestatic java.util.Arrays.equals:([Ljava/lang/Object;[Ljava/lang/Object;)Z
            ireturn
        end local 2 // com.oracle.truffle.polyglot.HostExecuteNode$TargetMappingType other
        end local 1 // java.lang.Object obj
        end local 0 // com.oracle.truffle.polyglot.HostExecuteNode$TargetMappingType this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    6     0   this  Lcom/oracle/truffle/polyglot/HostExecuteNode$TargetMappingType;
            0    6     1    obj  Ljava/lang/Object;
            5    6     2  other  Lcom/oracle/truffle/polyglot/HostExecuteNode$TargetMappingType;
    MethodParameters:
      Name  Flags
      obj   

  public int hashCode();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.polyglot.HostExecuteNode$TargetMappingType this
         0: .line 972
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.HostExecuteNode$TargetMappingType.mappings:[Lcom/oracle/truffle/polyglot/PolyglotTargetMapping;
            invokestatic java.util.Arrays.hashCode:([Ljava/lang/Object;)I
            ireturn
        end local 0 // com.oracle.truffle.polyglot.HostExecuteNode$TargetMappingType this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/polyglot/HostExecuteNode$TargetMappingType;
}
SourceFile: "HostExecuteNode.java"
NestHost: com.oracle.truffle.polyglot.HostExecuteNode
InnerClasses:
  public abstract CompilationFinal = com.oracle.truffle.api.CompilerDirectives$CompilationFinal of com.oracle.truffle.api.CompilerDirectives
  public abstract Child = com.oracle.truffle.api.nodes.Node$Child of com.oracle.truffle.api.nodes.Node
  public abstract Children = com.oracle.truffle.api.nodes.Node$Children of com.oracle.truffle.api.nodes.Node
  final TargetMappingType = com.oracle.truffle.polyglot.HostExecuteNode$TargetMappingType of com.oracle.truffle.polyglot.HostExecuteNode
  abstract TypeCheckNode = com.oracle.truffle.polyglot.HostExecuteNode$TypeCheckNode of com.oracle.truffle.polyglot.HostExecuteNode
  abstract SingleMappingNode = com.oracle.truffle.polyglot.TargetMappingNode$SingleMappingNode of com.oracle.truffle.polyglot.TargetMappingNode