https://www.graalvm.org/ 
final class com.oracle.truffle.js.runtime.array.ScriptArray$ProfileHolderImpl extends com.oracle.truffle.api.nodes.NodeCloneable implements com.oracle.truffle.js.runtime.array.ScriptArray$ProfileHolder
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: com.oracle.truffle.js.runtime.array.ScriptArray$ProfileHolderImpl
  super_class: com.oracle.truffle.api.nodes.NodeCloneable
{
  private com.oracle.truffle.api.profiles.ConditionProfile[] conditionProfiles;
    descriptor: [Lcom/oracle/truffle/api/profiles/ConditionProfile;
    flags: (0x0002) ACC_PRIVATE
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.CompilerDirectives$CompilationFinal(dimensions = 1)

  private java.lang.Class<?> profileAccessClass;
    descriptor: Ljava/lang/Class;
    flags: (0x0002) ACC_PRIVATE
    Signature: Ljava/lang/Class<*>;

  private static final com.oracle.truffle.js.runtime.array.ScriptArray$ProfileHolderImpl EMPTY;
    descriptor: Lcom/oracle/truffle/js/runtime/array/ScriptArray$ProfileHolderImpl;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  static final boolean $assertionsDisabled;
    descriptor: Z
    flags: (0x1018) ACC_STATIC, ACC_FINAL, ACC_SYNTHETIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 575
            ldc Lcom/oracle/truffle/js/runtime/array/ScriptArray;
            invokevirtual java.lang.Class.desiredAssertionStatus:()Z
            ifne 1
            iconst_1
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_0
      StackMap locals:
      StackMap stack: int
         2: putstatic com.oracle.truffle.js.runtime.array.ScriptArray$ProfileHolderImpl.$assertionsDisabled:Z
         3: .line 579
            new com.oracle.truffle.js.runtime.array.ScriptArray$ProfileHolderImpl
            dup
            invokespecial com.oracle.truffle.js.runtime.array.ScriptArray$ProfileHolderImpl.<init>:()V
            putstatic com.oracle.truffle.js.runtime.array.ScriptArray$ProfileHolderImpl.EMPTY:Lcom/oracle/truffle/js/runtime/array/ScriptArray$ProfileHolderImpl;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private void <init>(int, java.lang.Class<?>);
    descriptor: (ILjava/lang/Class;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // com.oracle.truffle.js.runtime.array.ScriptArray$ProfileHolderImpl this
        start local 1 // int profileCount
        start local 2 // java.lang.Class profileAccessClass
         0: .line 581
            aload 0 /* this */
            invokespecial com.oracle.truffle.api.nodes.NodeCloneable.<init>:()V
         1: .line 582
            aload 0 /* this */
            iload 1 /* profileCount */
            anewarray com.oracle.truffle.api.profiles.ConditionProfile
            putfield com.oracle.truffle.js.runtime.array.ScriptArray$ProfileHolderImpl.conditionProfiles:[Lcom/oracle/truffle/api/profiles/ConditionProfile;
         2: .line 583
            aload 0 /* this */
            aload 2 /* profileAccessClass */
            putfield com.oracle.truffle.js.runtime.array.ScriptArray$ProfileHolderImpl.profileAccessClass:Ljava/lang/Class;
         3: .line 584
            return
        end local 2 // java.lang.Class profileAccessClass
        end local 1 // int profileCount
        end local 0 // com.oracle.truffle.js.runtime.array.ScriptArray$ProfileHolderImpl this
      LocalVariableTable:
        Start  End  Slot                Name  Signature
            0    4     0                this  Lcom/oracle/truffle/js/runtime/array/ScriptArray$ProfileHolderImpl;
            0    4     1        profileCount  I
            0    4     2  profileAccessClass  Ljava/lang/Class<*>;
    Signature: (ILjava/lang/Class<*>;)V
    MethodParameters:
                    Name  Flags
      profileCount        
      profileAccessClass  

  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.js.runtime.array.ScriptArray$ProfileHolderImpl this
         0: .line 586
            aload 0 /* this */
            invokespecial com.oracle.truffle.api.nodes.NodeCloneable.<init>:()V
         1: .line 587
            return
        end local 0 // com.oracle.truffle.js.runtime.array.ScriptArray$ProfileHolderImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/oracle/truffle/js/runtime/array/ScriptArray$ProfileHolderImpl;

  public boolean profile(com.oracle.truffle.js.runtime.array.ScriptArray$ProfileAccess, int, boolean);
    descriptor: (Lcom/oracle/truffle/js/runtime/array/ScriptArray$ProfileAccess;IZ)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=6, args_size=4
        start local 0 // com.oracle.truffle.js.runtime.array.ScriptArray$ProfileHolderImpl this
        start local 1 // com.oracle.truffle.js.runtime.array.ScriptArray$ProfileAccess profileAccess
        start local 2 // int index
        start local 3 // boolean condition
         0: .line 591
            getstatic com.oracle.truffle.js.runtime.array.ScriptArray$ProfileHolderImpl.$assertionsDisabled:Z
            ifne 1
            aload 0 /* this */
            getfield com.oracle.truffle.js.runtime.array.ScriptArray$ProfileHolderImpl.profileAccessClass:Ljava/lang/Class;
            ifnull 1
            aload 0 /* this */
            getfield com.oracle.truffle.js.runtime.array.ScriptArray$ProfileHolderImpl.profileAccessClass:Ljava/lang/Class;
            aload 1 /* profileAccess */
            invokevirtual java.lang.Class.isInstance:(Ljava/lang/Object;)Z
            ifne 1
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         1: .line 592
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.oracle.truffle.js.runtime.array.ScriptArray$ProfileHolderImpl.conditionProfiles:[Lcom/oracle/truffle/api/profiles/ConditionProfile;
            astore 4 /* profiles */
        start local 4 // com.oracle.truffle.api.profiles.ConditionProfile[] profiles
         2: .line 593
            aload 4 /* profiles */
            ifnonnull 4
         3: .line 594
            iload 3 /* condition */
            ireturn
         4: .line 596
      StackMap locals: com.oracle.truffle.api.profiles.ConditionProfile[]
      StackMap stack:
            aload 4 /* profiles */
            iload 2 /* index */
            aaload
            astore 5 /* profile */
        start local 5 // com.oracle.truffle.api.profiles.ConditionProfile profile
         5: .line 597
            aload 5 /* profile */
            ifnonnull 8
         6: .line 598
            invokestatic com.oracle.truffle.api.CompilerDirectives.transferToInterpreterAndInvalidate:()V
         7: .line 599
            aload 4 /* profiles */
            iload 2 /* index */
            invokestatic com.oracle.truffle.api.profiles.ConditionProfile.createBinaryProfile:()Lcom/oracle/truffle/api/profiles/ConditionProfile;
            dup_x2
            aastore
            astore 5 /* profile */
         8: .line 601
      StackMap locals: com.oracle.truffle.api.profiles.ConditionProfile
      StackMap stack:
            aload 5 /* profile */
            iload 3 /* condition */
            invokevirtual com.oracle.truffle.api.profiles.ConditionProfile.profile:(Z)Z
            ireturn
        end local 5 // com.oracle.truffle.api.profiles.ConditionProfile profile
        end local 4 // com.oracle.truffle.api.profiles.ConditionProfile[] profiles
        end local 3 // boolean condition
        end local 2 // int index
        end local 1 // com.oracle.truffle.js.runtime.array.ScriptArray$ProfileAccess profileAccess
        end local 0 // com.oracle.truffle.js.runtime.array.ScriptArray$ProfileHolderImpl this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    9     0           this  Lcom/oracle/truffle/js/runtime/array/ScriptArray$ProfileHolderImpl;
            0    9     1  profileAccess  Lcom/oracle/truffle/js/runtime/array/ScriptArray$ProfileAccess;
            0    9     2          index  I
            0    9     3      condition  Z
            2    9     4       profiles  [Lcom/oracle/truffle/api/profiles/ConditionProfile;
            5    9     5        profile  Lcom/oracle/truffle/api/profiles/ConditionProfile;
    MethodParameters:
               Name  Flags
      profileAccess  
      index          
      condition      
}
SourceFile: "ScriptArray.java"
NestHost: com.oracle.truffle.js.runtime.array.ScriptArray
InnerClasses:
  public abstract CompilationFinal = com.oracle.truffle.api.CompilerDirectives$CompilationFinal of com.oracle.truffle.api.CompilerDirectives
  protected abstract ProfileAccess = com.oracle.truffle.js.runtime.array.ScriptArray$ProfileAccess of com.oracle.truffle.js.runtime.array.ScriptArray
  public abstract ProfileHolder = com.oracle.truffle.js.runtime.array.ScriptArray$ProfileHolder of com.oracle.truffle.js.runtime.array.ScriptArray
  private final ProfileHolderImpl = com.oracle.truffle.js.runtime.array.ScriptArray$ProfileHolderImpl of com.oracle.truffle.js.runtime.array.ScriptArray