https://www.graalvm.org/ 
final class org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveImpl extends org.graalvm.polyglot.tck.TypeDescriptor$TypeDescriptorImpl
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveImpl
  super_class: org.graalvm.polyglot.tck.TypeDescriptor$TypeDescriptorImpl
{
  private final org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveKind kind;
    descriptor: Lorg/graalvm/polyglot/tck/TypeDescriptor$PrimitiveKind;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  void <init>(org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveKind);
    descriptor: (Lorg/graalvm/polyglot/tck/TypeDescriptor$PrimitiveKind;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveImpl this
        start local 1 // org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveKind kind
         0: .line 744
            aload 0 /* this */
            invokespecial org.graalvm.polyglot.tck.TypeDescriptor$TypeDescriptorImpl.<init>:()V
         1: .line 745
            aload 1 /* kind */
            invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
         2: .line 746
            aload 0 /* this */
            aload 1 /* kind */
            putfield org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveImpl.kind:Lorg/graalvm/polyglot/tck/TypeDescriptor$PrimitiveKind;
         3: .line 747
            return
        end local 1 // org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveKind kind
        end local 0 // org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/graalvm/polyglot/tck/TypeDescriptor$PrimitiveImpl;
            0    4     1  kind  Lorg/graalvm/polyglot/tck/TypeDescriptor$PrimitiveKind;
    MethodParameters:
      Name  Flags
      kind  final

  boolean isAssignable(org.graalvm.polyglot.tck.TypeDescriptor$TypeDescriptorImpl, org.graalvm.polyglot.tck.TypeDescriptor$TypeDescriptorImpl);
    descriptor: (Lorg/graalvm/polyglot/tck/TypeDescriptor$TypeDescriptorImpl;Lorg/graalvm/polyglot/tck/TypeDescriptor$TypeDescriptorImpl;)Z
    flags: (0x0000) 
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveImpl this
        start local 1 // org.graalvm.polyglot.tck.TypeDescriptor$TypeDescriptorImpl origType
        start local 2 // org.graalvm.polyglot.tck.TypeDescriptor$TypeDescriptorImpl byType
         0: .line 751
            aload 0 /* this */
            aload 1 /* origType */
            aload 2 /* byType */
            invokevirtual org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveImpl.other:(Lorg/graalvm/polyglot/tck/TypeDescriptor$TypeDescriptorImpl;Lorg/graalvm/polyglot/tck/TypeDescriptor$TypeDescriptorImpl;)Lorg/graalvm/polyglot/tck/TypeDescriptor$TypeDescriptorImpl;
            astore 3 /* other */
        start local 3 // org.graalvm.polyglot.tck.TypeDescriptor$TypeDescriptorImpl other
         1: .line 752
            aload 3 /* other */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            ldc Lorg/graalvm/polyglot/tck/TypeDescriptor$PrimitiveImpl;
            if_acmpne 4
         2: .line 753
            aload 0 /* this */
            getfield org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveImpl.kind:Lorg/graalvm/polyglot/tck/TypeDescriptor$PrimitiveKind;
            aload 3 /* other */
            checkcast org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveImpl
            getfield org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveImpl.kind:Lorg/graalvm/polyglot/tck/TypeDescriptor$PrimitiveKind;
            if_acmpne 3
            iconst_1
            ireturn
      StackMap locals: org.graalvm.polyglot.tck.TypeDescriptor$TypeDescriptorImpl
      StackMap stack:
         3: iconst_0
            ireturn
         4: .line 755
      StackMap locals:
      StackMap stack:
            aload 3 /* other */
            aload 1 /* origType */
            aload 2 /* byType */
            invokevirtual org.graalvm.polyglot.tck.TypeDescriptor$TypeDescriptorImpl.isAssignable:(Lorg/graalvm/polyglot/tck/TypeDescriptor$TypeDescriptorImpl;Lorg/graalvm/polyglot/tck/TypeDescriptor$TypeDescriptorImpl;)Z
            ireturn
        end local 3 // org.graalvm.polyglot.tck.TypeDescriptor$TypeDescriptorImpl other
        end local 2 // org.graalvm.polyglot.tck.TypeDescriptor$TypeDescriptorImpl byType
        end local 1 // org.graalvm.polyglot.tck.TypeDescriptor$TypeDescriptorImpl origType
        end local 0 // org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveImpl this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    5     0      this  Lorg/graalvm/polyglot/tck/TypeDescriptor$PrimitiveImpl;
            0    5     1  origType  Lorg/graalvm/polyglot/tck/TypeDescriptor$TypeDescriptorImpl;
            0    5     2    byType  Lorg/graalvm/polyglot/tck/TypeDescriptor$TypeDescriptorImpl;
            1    5     3     other  Lorg/graalvm/polyglot/tck/TypeDescriptor$TypeDescriptorImpl;
    MethodParameters:
          Name  Flags
      origType  final
      byType    final

  public int hashCode();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveImpl this
         0: .line 761
            aload 0 /* this */
            getfield org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveImpl.kind:Lorg/graalvm/polyglot/tck/TypeDescriptor$PrimitiveKind;
            invokevirtual org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveKind.hashCode:()I
            ireturn
        end local 0 // org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/graalvm/polyglot/tck/TypeDescriptor$PrimitiveImpl;

  public boolean equals(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveImpl this
        start local 1 // java.lang.Object obj
         0: .line 766
            aload 1 /* obj */
            aload 0 /* this */
            if_acmpne 2
         1: .line 767
            iconst_1
            ireturn
         2: .line 769
      StackMap locals:
      StackMap stack:
            aload 1 /* obj */
            ifnull 3
            aload 1 /* obj */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            ldc Lorg/graalvm/polyglot/tck/TypeDescriptor$PrimitiveImpl;
            if_acmpeq 4
         3: .line 770
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
         4: .line 772
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveImpl.kind:Lorg/graalvm/polyglot/tck/TypeDescriptor$PrimitiveKind;
            aload 1 /* obj */
            checkcast org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveImpl
            getfield org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveImpl.kind:Lorg/graalvm/polyglot/tck/TypeDescriptor$PrimitiveKind;
            if_acmpne 5
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         5: iconst_0
            ireturn
        end local 1 // java.lang.Object obj
        end local 0 // org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lorg/graalvm/polyglot/tck/TypeDescriptor$PrimitiveImpl;
            0    6     1   obj  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      obj   

  public java.lang.String toString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveImpl this
         0: .line 777
            aload 0 /* this */
            getfield org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveImpl.kind:Lorg/graalvm/polyglot/tck/TypeDescriptor$PrimitiveKind;
            invokevirtual org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveKind.getDisplayName:()Ljava/lang/String;
            areturn
        end local 0 // org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/graalvm/polyglot/tck/TypeDescriptor$PrimitiveImpl;
}
SourceFile: "TypeDescriptor.java"
NestHost: org.graalvm.polyglot.tck.TypeDescriptor
InnerClasses:
  private final PrimitiveImpl = org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveImpl of org.graalvm.polyglot.tck.TypeDescriptor
  private final PrimitiveKind = org.graalvm.polyglot.tck.TypeDescriptor$PrimitiveKind of org.graalvm.polyglot.tck.TypeDescriptor
  private abstract TypeDescriptorImpl = org.graalvm.polyglot.tck.TypeDescriptor$TypeDescriptorImpl of org.graalvm.polyglot.tck.TypeDescriptor