https://www.graalvm.org/ 
abstract class com.oracle.graal.python.builtins.modules.GcModuleBuiltins$EnableNode extends com.oracle.graal.python.nodes.function.PythonBuiltinNode
  minor version: 0
  major version: 59
  flags: flags: (0x0420) ACC_SUPER, ACC_ABSTRACT
  this_class: com.oracle.graal.python.builtins.modules.GcModuleBuiltins$EnableNode
  super_class: com.oracle.graal.python.nodes.function.PythonBuiltinNode
{
  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.graal.python.builtins.modules.GcModuleBuiltins$EnableNode this
         0: .line 102
            aload 0 /* this */
            invokespecial com.oracle.graal.python.nodes.function.PythonBuiltinNode.<init>:()V
            return
        end local 0 // com.oracle.graal.python.builtins.modules.GcModuleBuiltins$EnableNode this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/graal/python/builtins/modules/GcModuleBuiltins$EnableNode;

  com.oracle.graal.python.builtins.objects.PNone enable(com.oracle.graal.python.runtime.PythonContext);
    descriptor: (Lcom/oracle/graal/python/runtime/PythonContext;)Lcom/oracle/graal/python/builtins/objects/PNone;
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.oracle.graal.python.builtins.modules.GcModuleBuiltins$EnableNode this
        start local 1 // com.oracle.graal.python.runtime.PythonContext ctx
         0: .line 105
            aload 1 /* ctx */
            iconst_1
            invokevirtual com.oracle.graal.python.runtime.PythonContext.setGcEnabled:(Z)V
         1: .line 106
            getstatic com.oracle.graal.python.builtins.objects.PNone.NONE:Lcom/oracle/graal/python/builtins/objects/PNone;
            areturn
        end local 1 // com.oracle.graal.python.runtime.PythonContext ctx
        end local 0 // com.oracle.graal.python.builtins.modules.GcModuleBuiltins$EnableNode this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/oracle/graal/python/builtins/modules/GcModuleBuiltins$EnableNode;
            0    2     1   ctx  Lcom/oracle/graal/python/runtime/PythonContext;
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.dsl.Specialization()
    RuntimeInvisibleParameterAnnotations: 
      0:
        com.oracle.truffle.api.dsl.CachedContext(value = Lcom/oracle/graal/python/PythonLanguage;)
    MethodParameters:
      Name  Flags
      ctx   
}
SourceFile: "GcModuleBuiltins.java"
NestHost: com.oracle.graal.python.builtins.modules.GcModuleBuiltins
InnerClasses:
  abstract EnableNode = com.oracle.graal.python.builtins.modules.GcModuleBuiltins$EnableNode of com.oracle.graal.python.builtins.modules.GcModuleBuiltins
    RuntimeVisibleAnnotations: 
      com.oracle.graal.python.builtins.Builtin(name = "enable", minNumOfPositionalArgs = 0)
    RuntimeInvisibleAnnotations: 
      com.oracle.truffle.api.dsl.GenerateNodeFactory()