https://www.graalvm.org/ 
public final class org.graalvm.compiler.phases.common.FixReadsPhase$StampElement
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: org.graalvm.compiler.phases.common.FixReadsPhase$StampElement
  super_class: java.lang.Object
{
  private final org.graalvm.compiler.core.common.type.Stamp stamp;
    descriptor: Lorg/graalvm/compiler/core/common/type/Stamp;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final org.graalvm.compiler.phases.common.FixReadsPhase$StampElement parent;
    descriptor: Lorg/graalvm/compiler/phases/common/FixReadsPhase$StampElement;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  public void <init>(org.graalvm.compiler.core.common.type.Stamp, org.graalvm.compiler.phases.common.FixReadsPhase$StampElement);
    descriptor: (Lorg/graalvm/compiler/core/common/type/Stamp;Lorg/graalvm/compiler/phases/common/FixReadsPhase$StampElement;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.graalvm.compiler.phases.common.FixReadsPhase$StampElement this
        start local 1 // org.graalvm.compiler.core.common.type.Stamp stamp
        start local 2 // org.graalvm.compiler.phases.common.FixReadsPhase$StampElement parent
         0: .line 670
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 671
            aload 0 /* this */
            aload 1 /* stamp */
            putfield org.graalvm.compiler.phases.common.FixReadsPhase$StampElement.stamp:Lorg/graalvm/compiler/core/common/type/Stamp;
         2: .line 672
            aload 0 /* this */
            aload 2 /* parent */
            putfield org.graalvm.compiler.phases.common.FixReadsPhase$StampElement.parent:Lorg/graalvm/compiler/phases/common/FixReadsPhase$StampElement;
         3: .line 673
            return
        end local 2 // org.graalvm.compiler.phases.common.FixReadsPhase$StampElement parent
        end local 1 // org.graalvm.compiler.core.common.type.Stamp stamp
        end local 0 // org.graalvm.compiler.phases.common.FixReadsPhase$StampElement this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    4     0    this  Lorg/graalvm/compiler/phases/common/FixReadsPhase$StampElement;
            0    4     1   stamp  Lorg/graalvm/compiler/core/common/type/Stamp;
            0    4     2  parent  Lorg/graalvm/compiler/phases/common/FixReadsPhase$StampElement;
    MethodParameters:
        Name  Flags
      stamp   
      parent  

  public org.graalvm.compiler.phases.common.FixReadsPhase$StampElement getParent();
    descriptor: ()Lorg/graalvm/compiler/phases/common/FixReadsPhase$StampElement;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.graalvm.compiler.phases.common.FixReadsPhase$StampElement this
         0: .line 676
            aload 0 /* this */
            getfield org.graalvm.compiler.phases.common.FixReadsPhase$StampElement.parent:Lorg/graalvm/compiler/phases/common/FixReadsPhase$StampElement;
            areturn
        end local 0 // org.graalvm.compiler.phases.common.FixReadsPhase$StampElement this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/graalvm/compiler/phases/common/FixReadsPhase$StampElement;

  public org.graalvm.compiler.core.common.type.Stamp getStamp();
    descriptor: ()Lorg/graalvm/compiler/core/common/type/Stamp;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.graalvm.compiler.phases.common.FixReadsPhase$StampElement this
         0: .line 680
            aload 0 /* this */
            getfield org.graalvm.compiler.phases.common.FixReadsPhase$StampElement.stamp:Lorg/graalvm/compiler/core/common/type/Stamp;
            areturn
        end local 0 // org.graalvm.compiler.phases.common.FixReadsPhase$StampElement this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/graalvm/compiler/phases/common/FixReadsPhase$StampElement;

  public java.lang.String toString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.graalvm.compiler.phases.common.FixReadsPhase$StampElement this
         0: .line 685
            new java.lang.StringBuilder
            dup
            invokespecial java.lang.StringBuilder.<init>:()V
            astore 1 /* result */
        start local 1 // java.lang.StringBuilder result
         1: .line 686
            aload 1 /* result */
            aload 0 /* this */
            getfield org.graalvm.compiler.phases.common.FixReadsPhase$StampElement.stamp:Lorg/graalvm/compiler/core/common/type/Stamp;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            pop
         2: .line 687
            aload 0 /* this */
            getfield org.graalvm.compiler.phases.common.FixReadsPhase$StampElement.parent:Lorg/graalvm/compiler/phases/common/FixReadsPhase$StampElement;
            ifnull 6
         3: .line 688
            aload 1 /* result */
            ldc " ("
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         4: .line 689
            aload 1 /* result */
            aload 0 /* this */
            getfield org.graalvm.compiler.phases.common.FixReadsPhase$StampElement.parent:Lorg/graalvm/compiler/phases/common/FixReadsPhase$StampElement;
            invokevirtual org.graalvm.compiler.phases.common.FixReadsPhase$StampElement.toString:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         5: .line 690
            aload 1 /* result */
            ldc ")"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         6: .line 692
      StackMap locals: java.lang.StringBuilder
      StackMap stack:
            aload 1 /* result */
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
        end local 1 // java.lang.StringBuilder result
        end local 0 // org.graalvm.compiler.phases.common.FixReadsPhase$StampElement this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    7     0    this  Lorg/graalvm/compiler/phases/common/FixReadsPhase$StampElement;
            1    7     1  result  Ljava/lang/StringBuilder;
}
SourceFile: "FixReadsPhase.java"
NestHost: org.graalvm.compiler.phases.common.FixReadsPhase
InnerClasses:
  protected final StampElement = org.graalvm.compiler.phases.common.FixReadsPhase$StampElement of org.graalvm.compiler.phases.common.FixReadsPhase