https://www.graalvm.org/ 
class com.oracle.svm.truffle.api.SubstrateTruffleGraphBuilderPlugins$2 implements org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.oracle.svm.truffle.api.SubstrateTruffleGraphBuilderPlugins$2
  super_class: java.lang.Object
{
  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.svm.truffle.api.SubstrateTruffleGraphBuilderPlugins$2 this
         0: .line 66
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.oracle.svm.truffle.api.SubstrateTruffleGraphBuilderPlugins$2 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/svm/truffle/api/SubstrateTruffleGraphBuilderPlugins$2;

  public boolean apply(org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext, jdk.vm.ci.meta.ResolvedJavaMethod, org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin$Receiver);
    descriptor: (Lorg/graalvm/compiler/nodes/graphbuilderconf/GraphBuilderContext;Ljdk/vm/ci/meta/ResolvedJavaMethod;Lorg/graalvm/compiler/nodes/graphbuilderconf/InvocationPlugin$Receiver;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // com.oracle.svm.truffle.api.SubstrateTruffleGraphBuilderPlugins$2 this
        start local 1 // org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext b
        start local 2 // jdk.vm.ci.meta.ResolvedJavaMethod targetMethod
        start local 3 // org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin$Receiver receiver
         0: .line 69
            aload 1 /* b */
            new org.graalvm.compiler.nodes.extended.MembarNode
            dup
            iconst_0
            invokespecial org.graalvm.compiler.nodes.extended.MembarNode.<init>:(I)V
            invokeinterface org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext.add:(Lorg/graalvm/compiler/nodes/ValueNode;)Lorg/graalvm/compiler/nodes/ValueNode;
            pop
         1: .line 70
            iconst_1
            ireturn
        end local 3 // org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin$Receiver receiver
        end local 2 // jdk.vm.ci.meta.ResolvedJavaMethod targetMethod
        end local 1 // org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext b
        end local 0 // com.oracle.svm.truffle.api.SubstrateTruffleGraphBuilderPlugins$2 this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    2     0          this  Lcom/oracle/svm/truffle/api/SubstrateTruffleGraphBuilderPlugins$2;
            0    2     1             b  Lorg/graalvm/compiler/nodes/graphbuilderconf/GraphBuilderContext;
            0    2     2  targetMethod  Ljdk/vm/ci/meta/ResolvedJavaMethod;
            0    2     3      receiver  Lorg/graalvm/compiler/nodes/graphbuilderconf/InvocationPlugin$Receiver;
    MethodParameters:
              Name  Flags
      b             
      targetMethod  
      receiver      
}
SourceFile: "SubstrateTruffleGraphBuilderPlugins.java"
EnclosingMethod: com.oracle.svm.truffle.api.SubstrateTruffleGraphBuilderPlugins.registerOptimizedCallTargetPlugins:(Lorg/graalvm/compiler/nodes/graphbuilderconf/InvocationPlugins;)V
NestHost: com.oracle.svm.truffle.api.SubstrateTruffleGraphBuilderPlugins
InnerClasses:
  com.oracle.svm.truffle.api.SubstrateTruffleGraphBuilderPlugins$2
  public abstract Receiver = org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin$Receiver of org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin