http://hibernate.org: Hibernate's core ORM functionality (Hibernate.org) 
class org.hibernate.id.enhanced.LegacyHiLoAlgorithmOptimizer$GenerationState
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.hibernate.id.enhanced.LegacyHiLoAlgorithmOptimizer$GenerationState
  super_class: java.lang.Object
{
  private long maxLo;
    descriptor: J
    flags: (0x0002) ACC_PRIVATE

  private long lo;
    descriptor: J
    flags: (0x0002) ACC_PRIVATE

  private org.hibernate.id.IntegralDataTypeHolder hi;
    descriptor: Lorg/hibernate/id/IntegralDataTypeHolder;
    flags: (0x0002) ACC_PRIVATE

  private org.hibernate.id.IntegralDataTypeHolder lastSourceValue;
    descriptor: Lorg/hibernate/id/IntegralDataTypeHolder;
    flags: (0x0002) ACC_PRIVATE

  private org.hibernate.id.IntegralDataTypeHolder value;
    descriptor: Lorg/hibernate/id/IntegralDataTypeHolder;
    flags: (0x0002) ACC_PRIVATE

  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.hibernate.id.enhanced.LegacyHiLoAlgorithmOptimizer$GenerationState this
         0: .line 29
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.hibernate.id.enhanced.LegacyHiLoAlgorithmOptimizer$GenerationState this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/hibernate/id/enhanced/LegacyHiLoAlgorithmOptimizer$GenerationState;
}
SourceFile: "LegacyHiLoAlgorithmOptimizer.java"
NestHost: org.hibernate.id.enhanced.LegacyHiLoAlgorithmOptimizer
InnerClasses:
  private GenerationState = org.hibernate.id.enhanced.LegacyHiLoAlgorithmOptimizer$GenerationState of org.hibernate.id.enhanced.LegacyHiLoAlgorithmOptimizer