http://hibernate.org: The core O/RM functionality as provided by Hibernate (Hibernate.org) 
public class org.hibernate.cfg.AnnotationConfiguration$ExtendedMappingsImpl extends org.hibernate.cfg.Configuration$MappingsImpl
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.hibernate.cfg.AnnotationConfiguration$ExtendedMappingsImpl
  super_class: org.hibernate.cfg.Configuration$MappingsImpl
{
  final org.hibernate.cfg.AnnotationConfiguration this$0;
    descriptor: Lorg/hibernate/cfg/AnnotationConfiguration;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  protected void <init>(org.hibernate.cfg.AnnotationConfiguration);
    descriptor: (Lorg/hibernate/cfg/AnnotationConfiguration;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.hibernate.cfg.AnnotationConfiguration$ExtendedMappingsImpl this
         0: .line 250
            aload 0 /* this */
            aload 1
            putfield org.hibernate.cfg.AnnotationConfiguration$ExtendedMappingsImpl.this$0:Lorg/hibernate/cfg/AnnotationConfiguration;
            aload 0 /* this */
            aload 1
            invokespecial org.hibernate.cfg.Configuration$MappingsImpl.<init>:(Lorg/hibernate/cfg/Configuration;)V
            return
        end local 0 // org.hibernate.cfg.AnnotationConfiguration$ExtendedMappingsImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/hibernate/cfg/AnnotationConfiguration$ExtendedMappingsImpl;
    MethodParameters:
        Name  Flags
      this$0  final
}
SourceFile: "AnnotationConfiguration.java"
NestHost: org.hibernate.cfg.AnnotationConfiguration
InnerClasses:
  protected ExtendedMappingsImpl = org.hibernate.cfg.AnnotationConfiguration$ExtendedMappingsImpl of org.hibernate.cfg.AnnotationConfiguration
  protected MappingsImpl = org.hibernate.cfg.Configuration$MappingsImpl of org.hibernate.cfg.Configuration
    RuntimeVisibleAnnotations: 
      java.lang.Deprecated()