https://www.graalvm.org/ 
final class com.oracle.truffle.js.runtime.builtins.JSFunctionFactory$Intrinsic extends com.oracle.truffle.js.runtime.builtins.JSFunctionFactory
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: com.oracle.truffle.js.runtime.builtins.JSFunctionFactory$Intrinsic
  super_class: com.oracle.truffle.js.runtime.builtins.JSFunctionFactory
{
  private final com.oracle.truffle.js.nodes.function.InitFunctionNode initFunctionNode;
    descriptor: Lcom/oracle/truffle/js/nodes/function/InitFunctionNode;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  protected void <init>(com.oracle.truffle.js.runtime.JSContext, com.oracle.truffle.js.runtime.builtins.JSObjectFactory, boolean, boolean, boolean, boolean, boolean);
    descriptor: (Lcom/oracle/truffle/js/runtime/JSContext;Lcom/oracle/truffle/js/runtime/builtins/JSObjectFactory;ZZZZZ)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=8, locals=8, args_size=8
        start local 0 // com.oracle.truffle.js.runtime.builtins.JSFunctionFactory$Intrinsic this
        start local 1 // com.oracle.truffle.js.runtime.JSContext context
        start local 2 // com.oracle.truffle.js.runtime.builtins.JSObjectFactory objectFactory
        start local 3 // boolean isStrict
        start local 4 // boolean isConstructor
        start local 5 // boolean isGenerator
        start local 6 // boolean isBound
        start local 7 // boolean isAsync
         0: .line 168
            aload 0 /* this */
            aload 1 /* context */
            aload 2 /* objectFactory */
            invokespecial com.oracle.truffle.js.runtime.builtins.JSFunctionFactory.<init>:(Lcom/oracle/truffle/js/runtime/JSContext;Lcom/oracle/truffle/js/runtime/builtins/JSObjectFactory;)V
         1: .line 169
            aload 0 /* this */
            aload 1 /* context */
            aload 1 /* context */
            iload 3 /* isStrict */
            iload 4 /* isConstructor */
            iload 6 /* isBound */
            iload 5 /* isGenerator */
            iconst_0
            invokestatic com.oracle.truffle.js.nodes.function.InitFunctionNode.create:(Lcom/oracle/truffle/js/runtime/JSContext;ZZZZZ)Lcom/oracle/truffle/js/nodes/function/InitFunctionNode;
            invokevirtual com.oracle.truffle.js.runtime.JSContext.adoptNode:(Lcom/oracle/truffle/api/nodes/Node;)Lcom/oracle/truffle/api/nodes/Node;
            checkcast com.oracle.truffle.js.nodes.function.InitFunctionNode
            putfield com.oracle.truffle.js.runtime.builtins.JSFunctionFactory$Intrinsic.initFunctionNode:Lcom/oracle/truffle/js/nodes/function/InitFunctionNode;
         2: .line 170
            return
        end local 7 // boolean isAsync
        end local 6 // boolean isBound
        end local 5 // boolean isGenerator
        end local 4 // boolean isConstructor
        end local 3 // boolean isStrict
        end local 2 // com.oracle.truffle.js.runtime.builtins.JSObjectFactory objectFactory
        end local 1 // com.oracle.truffle.js.runtime.JSContext context
        end local 0 // com.oracle.truffle.js.runtime.builtins.JSFunctionFactory$Intrinsic this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    3     0           this  Lcom/oracle/truffle/js/runtime/builtins/JSFunctionFactory$Intrinsic;
            0    3     1        context  Lcom/oracle/truffle/js/runtime/JSContext;
            0    3     2  objectFactory  Lcom/oracle/truffle/js/runtime/builtins/JSObjectFactory;
            0    3     3       isStrict  Z
            0    3     4  isConstructor  Z
            0    3     5    isGenerator  Z
            0    3     6        isBound  Z
            0    3     7        isAsync  Z
    MethodParameters:
               Name  Flags
      context        
      objectFactory  
      isStrict       
      isConstructor  
      isGenerator    
      isBound        
      isAsync        

  protected com.oracle.truffle.api.object.DynamicObject getPrototype(com.oracle.truffle.js.runtime.JSRealm);
    descriptor: (Lcom/oracle/truffle/js/runtime/JSRealm;)Lcom/oracle/truffle/api/object/DynamicObject;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.oracle.truffle.js.runtime.builtins.JSFunctionFactory$Intrinsic this
        start local 1 // com.oracle.truffle.js.runtime.JSRealm realm
         0: .line 174
            aload 0 /* this */
            getfield com.oracle.truffle.js.runtime.builtins.JSFunctionFactory$Intrinsic.objectFactory:Lcom/oracle/truffle/js/runtime/builtins/JSObjectFactory;
            aload 1 /* realm */
            invokevirtual com.oracle.truffle.js.runtime.builtins.JSObjectFactory.getPrototype:(Lcom/oracle/truffle/js/runtime/JSRealm;)Lcom/oracle/truffle/api/object/DynamicObject;
            areturn
        end local 1 // com.oracle.truffle.js.runtime.JSRealm realm
        end local 0 // com.oracle.truffle.js.runtime.builtins.JSFunctionFactory$Intrinsic this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lcom/oracle/truffle/js/runtime/builtins/JSFunctionFactory$Intrinsic;
            0    1     1  realm  Lcom/oracle/truffle/js/runtime/JSRealm;
    MethodParameters:
       Name  Flags
      realm  

  protected com.oracle.truffle.api.object.Shape getShape(com.oracle.truffle.js.runtime.JSRealm, com.oracle.truffle.api.object.DynamicObject);
    descriptor: (Lcom/oracle/truffle/js/runtime/JSRealm;Lcom/oracle/truffle/api/object/DynamicObject;)Lcom/oracle/truffle/api/object/Shape;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // com.oracle.truffle.js.runtime.builtins.JSFunctionFactory$Intrinsic this
        start local 1 // com.oracle.truffle.js.runtime.JSRealm realm
        start local 2 // com.oracle.truffle.api.object.DynamicObject prototype
         0: .line 179
            aload 0 /* this */
            getfield com.oracle.truffle.js.runtime.builtins.JSFunctionFactory$Intrinsic.objectFactory:Lcom/oracle/truffle/js/runtime/builtins/JSObjectFactory;
            aload 1 /* realm */
            aload 2 /* prototype */
            invokevirtual com.oracle.truffle.js.runtime.builtins.JSObjectFactory.getShape:(Lcom/oracle/truffle/js/runtime/JSRealm;Lcom/oracle/truffle/api/object/DynamicObject;)Lcom/oracle/truffle/api/object/Shape;
            areturn
        end local 2 // com.oracle.truffle.api.object.DynamicObject prototype
        end local 1 // com.oracle.truffle.js.runtime.JSRealm realm
        end local 0 // com.oracle.truffle.js.runtime.builtins.JSFunctionFactory$Intrinsic this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    1     0       this  Lcom/oracle/truffle/js/runtime/builtins/JSFunctionFactory$Intrinsic;
            0    1     1      realm  Lcom/oracle/truffle/js/runtime/JSRealm;
            0    1     2  prototype  Lcom/oracle/truffle/api/object/DynamicObject;
    MethodParameters:
           Name  Flags
      realm      
      prototype  

  protected boolean isInObjectProto();
    descriptor: ()Z
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.js.runtime.builtins.JSFunctionFactory$Intrinsic this
         0: .line 184
            aload 0 /* this */
            getfield com.oracle.truffle.js.runtime.builtins.JSFunctionFactory$Intrinsic.objectFactory:Lcom/oracle/truffle/js/runtime/builtins/JSObjectFactory;
            invokevirtual com.oracle.truffle.js.runtime.builtins.JSObjectFactory.isInObjectProto:()Z
            ireturn
        end local 0 // com.oracle.truffle.js.runtime.builtins.JSFunctionFactory$Intrinsic this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/js/runtime/builtins/JSFunctionFactory$Intrinsic;

  protected void initProperties(com.oracle.truffle.api.object.DynamicObject, com.oracle.truffle.js.runtime.builtins.JSFunctionData);
    descriptor: (Lcom/oracle/truffle/api/object/DynamicObject;Lcom/oracle/truffle/js/runtime/builtins/JSFunctionData;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // com.oracle.truffle.js.runtime.builtins.JSFunctionFactory$Intrinsic this
        start local 1 // com.oracle.truffle.api.object.DynamicObject obj
        start local 2 // com.oracle.truffle.js.runtime.builtins.JSFunctionData functionData
         0: .line 189
            aload 0 /* this */
            getfield com.oracle.truffle.js.runtime.builtins.JSFunctionFactory$Intrinsic.initFunctionNode:Lcom/oracle/truffle/js/nodes/function/InitFunctionNode;
            aload 1 /* obj */
            aload 2 /* functionData */
            invokevirtual com.oracle.truffle.js.nodes.function.InitFunctionNode.execute:(Lcom/oracle/truffle/api/object/DynamicObject;Lcom/oracle/truffle/js/runtime/builtins/JSFunctionData;)Lcom/oracle/truffle/api/object/DynamicObject;
            pop
         1: .line 190
            return
        end local 2 // com.oracle.truffle.js.runtime.builtins.JSFunctionData functionData
        end local 1 // com.oracle.truffle.api.object.DynamicObject obj
        end local 0 // com.oracle.truffle.js.runtime.builtins.JSFunctionFactory$Intrinsic this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    2     0          this  Lcom/oracle/truffle/js/runtime/builtins/JSFunctionFactory$Intrinsic;
            0    2     1           obj  Lcom/oracle/truffle/api/object/DynamicObject;
            0    2     2  functionData  Lcom/oracle/truffle/js/runtime/builtins/JSFunctionData;
    MethodParameters:
              Name  Flags
      obj           
      functionData  
}
SourceFile: "JSFunctionFactory.java"
NestHost: com.oracle.truffle.js.runtime.builtins.JSFunctionFactory
InnerClasses:
  private final Intrinsic = com.oracle.truffle.js.runtime.builtins.JSFunctionFactory$Intrinsic of com.oracle.truffle.js.runtime.builtins.JSFunctionFactory