https://www.graalvm.org/ 
class org.graalvm.component.installer.InstallerCommandlineTest$2FB extends org.graalvm.component.installer.TestBase$FeedbackAdapter
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.graalvm.component.installer.InstallerCommandlineTest$2FB
  super_class: org.graalvm.component.installer.TestBase$FeedbackAdapter
{
  final org.graalvm.component.installer.InstallerCommandlineTest this$0;
    descriptor: Lorg/graalvm/component/installer/InstallerCommandlineTest;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  private final java.util.Set val$componentShorts;
    descriptor: Ljava/util/Set;
    flags: (0x1012) ACC_PRIVATE, ACC_FINAL, ACC_SYNTHETIC

  void <init>(org.graalvm.component.installer.InstallerCommandlineTest, java.util.Set);
    descriptor: (Lorg/graalvm/component/installer/InstallerCommandlineTest;Ljava/util/Set;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.graalvm.component.installer.InstallerCommandlineTest$2FB this
         0: .line 581
            aload 0 /* this */
            aload 1
            putfield org.graalvm.component.installer.InstallerCommandlineTest$2FB.this$0:Lorg/graalvm/component/installer/InstallerCommandlineTest;
            aload 0 /* this */
            aload 2
            putfield org.graalvm.component.installer.InstallerCommandlineTest$2FB.val$componentShorts:Ljava/util/Set;
            aload 0 /* this */
            aload 1
            invokespecial org.graalvm.component.installer.TestBase$FeedbackAdapter.<init>:(Lorg/graalvm/component/installer/TestBase;)V
            return
        end local 0 // org.graalvm.component.installer.InstallerCommandlineTest$2FB this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/graalvm/component/installer/InstallerCommandlineTest$2FB;
    MethodParameters:
                     Name  Flags
      this$0               final
      val$componentShorts  final

  public java.lang.String l10n(java.lang.String, java.lang.Object[]);
    descriptor: (Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
    flags: (0x0081) ACC_PUBLIC, ACC_VARARGS
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.graalvm.component.installer.InstallerCommandlineTest$2FB this
        start local 1 // java.lang.String key
        start local 2 // java.lang.Object[] params
         0: .line 585
            ldc "LIST_ComponentShortList"
            aload 1 /* key */
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifeq 2
         1: .line 586
            ldc "%1$s"
            areturn
         2: .line 588
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* key */
            aload 2 /* params */
            invokespecial org.graalvm.component.installer.TestBase$FeedbackAdapter.l10n:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
            areturn
        end local 2 // java.lang.Object[] params
        end local 1 // java.lang.String key
        end local 0 // org.graalvm.component.installer.InstallerCommandlineTest$2FB this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lorg/graalvm/component/installer/InstallerCommandlineTest$2FB;
            0    3     1     key  Ljava/lang/String;
            0    3     2  params  [Ljava/lang/Object;
    MethodParameters:
        Name  Flags
      key     
      params  

  public boolean verbatimOut(java.lang.String, boolean);
    descriptor: (Ljava/lang/String;Z)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.graalvm.component.installer.InstallerCommandlineTest$2FB this
        start local 1 // java.lang.String msg
        start local 2 // boolean beVerbose
         0: .line 593
            aload 0 /* this */
            getfield org.graalvm.component.installer.InstallerCommandlineTest$2FB.val$componentShorts:Ljava/util/Set;
            aload 1 /* msg */
            invokeinterface java.util.Set.add:(Ljava/lang/Object;)Z
            pop
         1: .line 594
            aload 0 /* this */
            aload 1 /* msg */
            iload 2 /* beVerbose */
            invokespecial org.graalvm.component.installer.TestBase$FeedbackAdapter.verbatimOut:(Ljava/lang/String;Z)Z
            ireturn
        end local 2 // boolean beVerbose
        end local 1 // java.lang.String msg
        end local 0 // org.graalvm.component.installer.InstallerCommandlineTest$2FB this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    2     0       this  Lorg/graalvm/component/installer/InstallerCommandlineTest$2FB;
            0    2     1        msg  Ljava/lang/String;
            0    2     2  beVerbose  Z
    MethodParameters:
           Name  Flags
      msg        
      beVerbose  
}
SourceFile: "InstallerCommandlineTest.java"
EnclosingMethod: org.graalvm.component.installer.InstallerCommandlineTest.testVersionSpecificComponentsFromDir:()V
NestHost: org.graalvm.component.installer.InstallerCommandlineTest
InnerClasses:
  FB = org.graalvm.component.installer.InstallerCommandlineTest$2FB
  public FeedbackAdapter = org.graalvm.component.installer.TestBase$FeedbackAdapter of org.graalvm.component.installer.TestBase