https://www.graalvm.org/ 
abstract class com.oracle.truffle.polyglot.HostExecuteNode$HostMethodProfileNode extends com.oracle.truffle.api.nodes.Node
  minor version: 0
  major version: 59
  flags: flags: (0x0420) ACC_SUPER, ACC_ABSTRACT
  this_class: com.oracle.truffle.polyglot.HostExecuteNode$HostMethodProfileNode
  super_class: com.oracle.truffle.api.nodes.Node
{
  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.polyglot.HostExecuteNode$HostMethodProfileNode this
         0: .line 1033
            aload 0 /* this */
            invokespecial com.oracle.truffle.api.nodes.Node.<init>:()V
            return
        end local 0 // com.oracle.truffle.polyglot.HostExecuteNode$HostMethodProfileNode this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/polyglot/HostExecuteNode$HostMethodProfileNode;

  public abstract com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod execute(com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod);
    descriptor: (Lcom/oracle/truffle/polyglot/HostMethodDesc$SingleMethod;)Lcom/oracle/truffle/polyglot/HostMethodDesc$SingleMethod;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
        Name  Flags
      method  

  static com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod mono(com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$MHBase);
    descriptor: (Lcom/oracle/truffle/polyglot/HostMethodDesc$SingleMethod$MHBase;)Lcom/oracle/truffle/polyglot/HostMethodDesc$SingleMethod;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$MHBase method
         0: .line 1038
            aload 0 /* method */
            areturn
        end local 0 // com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$MHBase method
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0  method  Lcom/oracle/truffle/polyglot/HostMethodDesc$SingleMethod$MHBase;
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.dsl.Specialization()
    MethodParameters:
        Name  Flags
      method  

  static com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod mono(com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$ReflectBase);
    descriptor: (Lcom/oracle/truffle/polyglot/HostMethodDesc$SingleMethod$ReflectBase;)Lcom/oracle/truffle/polyglot/HostMethodDesc$SingleMethod;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$ReflectBase method
         0: .line 1043
            aload 0 /* method */
            areturn
        end local 0 // com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$ReflectBase method
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0  method  Lcom/oracle/truffle/polyglot/HostMethodDesc$SingleMethod$ReflectBase;
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.dsl.Specialization()
    MethodParameters:
        Name  Flags
      method  

  static com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod poly(com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod);
    descriptor: (Lcom/oracle/truffle/polyglot/HostMethodDesc$SingleMethod;)Lcom/oracle/truffle/polyglot/HostMethodDesc$SingleMethod;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod method
         0: .line 1048
            aload 0 /* method */
            areturn
        end local 0 // com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod method
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0  method  Lcom/oracle/truffle/polyglot/HostMethodDesc$SingleMethod;
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.dsl.Specialization(replaces = {"mono"})
    MethodParameters:
        Name  Flags
      method  
}
SourceFile: "HostExecuteNode.java"
NestHost: com.oracle.truffle.polyglot.HostExecuteNode
InnerClasses:
  abstract HostMethodProfileNode = com.oracle.truffle.polyglot.HostExecuteNode$HostMethodProfileNode of com.oracle.truffle.polyglot.HostExecuteNode
  abstract SingleMethod = com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod of com.oracle.truffle.polyglot.HostMethodDesc
  abstract MHBase = com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$MHBase of com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod
  abstract ReflectBase = com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$ReflectBase of com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod
    RuntimeInvisibleAnnotations: 
      com.oracle.truffle.api.dsl.GenerateUncached()