https://tomcat.apache.org/: javax.security.auth.message package 
public abstract class javax.security.auth.message.config.AuthConfigFactory
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: javax.security.auth.message.config.AuthConfigFactory
  super_class: java.lang.Object
{
  public static final java.lang.String DEFAULT_FACTORY_SECURITY_PROPERTY;
    descriptor: Ljava/lang/String;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: "authconfigprovider.factory"

  public static final java.lang.String GET_FACTORY_PERMISSION_NAME;
    descriptor: Ljava/lang/String;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: "getProperty.authconfigprovider.factory"

  public static final java.lang.String SET_FACTORY_PERMISSION_NAME;
    descriptor: Ljava/lang/String;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: "setProperty.authconfigprovider.factory"

  public static final java.lang.String PROVIDER_REGISTRATION_PERMISSION_NAME;
    descriptor: Ljava/lang/String;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: "setProperty.authconfigfactory.provider"

  public static final java.security.SecurityPermission getFactorySecurityPermission;
    descriptor: Ljava/security/SecurityPermission;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  public static final java.security.SecurityPermission setFactorySecurityPermission;
    descriptor: Ljava/security/SecurityPermission;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  public static final java.security.SecurityPermission providerRegistrationSecurityPermission;
    descriptor: Ljava/security/SecurityPermission;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  private static final java.lang.String DEFAULT_JASPI_AUTHCONFIGFACTORYIMPL;
    descriptor: Ljava/lang/String;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: "org.apache.catalina.authenticator.jaspic.AuthConfigFactoryImpl"

  private static volatile javax.security.auth.message.config.AuthConfigFactory factory;
    descriptor: Ljavax/security/auth/message/config/AuthConfigFactory;
    flags: (0x004a) ACC_PRIVATE, ACC_STATIC, ACC_VOLATILE

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 40
            new java.security.SecurityPermission
            dup
            ldc "getProperty.authconfigprovider.factory"
            invokespecial java.security.SecurityPermission.<init>:(Ljava/lang/String;)V
         1: .line 39
            putstatic javax.security.auth.message.config.AuthConfigFactory.getFactorySecurityPermission:Ljava/security/SecurityPermission;
         2: .line 43
            new java.security.SecurityPermission
            dup
            ldc "setProperty.authconfigprovider.factory"
            invokespecial java.security.SecurityPermission.<init>:(Ljava/lang/String;)V
         3: .line 42
            putstatic javax.security.auth.message.config.AuthConfigFactory.setFactorySecurityPermission:Ljava/security/SecurityPermission;
         4: .line 46
            new java.security.SecurityPermission
            dup
            ldc "setProperty.authconfigfactory.provider"
            invokespecial java.security.SecurityPermission.<init>:(Ljava/lang/String;)V
         5: .line 45
            putstatic javax.security.auth.message.config.AuthConfigFactory.providerRegistrationSecurityPermission:Ljava/security/SecurityPermission;
         6: .line 51
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // javax.security.auth.message.config.AuthConfigFactory this
         0: .line 53
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 54
            return
        end local 0 // javax.security.auth.message.config.AuthConfigFactory this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Ljavax/security/auth/message/config/AuthConfigFactory;

  public static javax.security.auth.message.config.AuthConfigFactory getFactory();
    descriptor: ()Ljavax/security/auth/message/config/AuthConfigFactory;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=4, args_size=0
         0: .line 57
            getstatic javax.security.auth.message.config.AuthConfigFactory.getFactorySecurityPermission:Ljava/security/SecurityPermission;
            invokestatic javax.security.auth.message.config.AuthConfigFactory.checkPermission:(Ljava/security/Permission;)V
         1: .line 58
            getstatic javax.security.auth.message.config.AuthConfigFactory.factory:Ljavax/security/auth/message/config/AuthConfigFactory;
            ifnull 3
         2: .line 59
            getstatic javax.security.auth.message.config.AuthConfigFactory.factory:Ljavax/security/auth/message/config/AuthConfigFactory;
            areturn
         3: .line 62
      StackMap locals:
      StackMap stack:
            ldc Ljavax/security/auth/message/config/AuthConfigFactory;
            dup
            astore 0
            monitorenter
         4: .line 63
            getstatic javax.security.auth.message.config.AuthConfigFactory.factory:Ljavax/security/auth/message/config/AuthConfigFactory;
            ifnonnull 22
         5: .line 64
            invokestatic javax.security.auth.message.config.AuthConfigFactory.getFactoryClassName:()Ljava/lang/String;
            astore 1 /* className */
        start local 1 // java.lang.String className
         6: .line 67
            new javax.security.auth.message.config.AuthConfigFactory$1
            dup
            aload 1 /* className */
            invokespecial javax.security.auth.message.config.AuthConfigFactory$1.<init>:(Ljava/lang/String;)V
         7: .line 66
            invokestatic java.security.AccessController.doPrivileged:(Ljava/security/PrivilegedExceptionAction;)Ljava/lang/Object;
            checkcast javax.security.auth.message.config.AuthConfigFactory
            putstatic javax.security.auth.message.config.AuthConfigFactory.factory:Ljavax/security/auth/message/config/AuthConfigFactory;
         8: .line 79
            goto 22
      StackMap locals: java.lang.Class java.lang.String
      StackMap stack: java.security.PrivilegedActionException
         9: astore 2 /* e */
        start local 2 // java.security.PrivilegedActionException e
        10: .line 80
            aload 2 /* e */
            invokevirtual java.security.PrivilegedActionException.getException:()Ljava/lang/Exception;
            astore 3 /* inner */
        start local 3 // java.lang.Exception inner
        11: .line 81
            aload 3 /* inner */
            instanceof java.lang.InstantiationException
            ifeq 17
        12: .line 82
            new java.lang.SecurityException
            dup
            new java.lang.StringBuilder
            dup
            ldc "AuthConfigFactory error:"
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
        13: .line 83
            aload 3 /* inner */
            invokevirtual java.lang.Exception.getCause:()Ljava/lang/Throwable;
            invokevirtual java.lang.Throwable.getMessage:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        14: .line 82
            invokespecial java.lang.SecurityException.<init>:(Ljava/lang/String;)V
        15: .line 83
            aload 3 /* inner */
            invokevirtual java.lang.Exception.getCause:()Ljava/lang/Throwable;
            invokevirtual java.lang.SecurityException.initCause:(Ljava/lang/Throwable;)Ljava/lang/Throwable;
        16: .line 82
            checkcast java.lang.SecurityException
            athrow
        17: .line 85
      StackMap locals: java.security.PrivilegedActionException java.lang.Exception
      StackMap stack:
            new java.lang.SecurityException
            dup
        18: .line 86
            new java.lang.StringBuilder
            dup
            ldc "AuthConfigFactory error: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 3 /* inner */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        19: .line 85
            invokespecial java.lang.SecurityException.<init>:(Ljava/lang/String;)V
        20: .line 86
            aload 3 /* inner */
            invokevirtual java.lang.SecurityException.initCause:(Ljava/lang/Throwable;)Ljava/lang/Throwable;
        21: .line 85
            checkcast java.lang.SecurityException
            athrow
        end local 3 // java.lang.Exception inner
        end local 2 // java.security.PrivilegedActionException e
        end local 1 // java.lang.String className
        22: .line 62
      StackMap locals:
      StackMap stack:
            aload 0
            monitorexit
        23: goto 26
      StackMap locals:
      StackMap stack: java.lang.Throwable
        24: aload 0
            monitorexit
        25: athrow
        26: .line 92
      StackMap locals:
      StackMap stack:
            getstatic javax.security.auth.message.config.AuthConfigFactory.factory:Ljavax/security/auth/message/config/AuthConfigFactory;
            areturn
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            6   22     1  className  Ljava/lang/String;
           10   22     2          e  Ljava/security/PrivilegedActionException;
           11   22     3      inner  Ljava/lang/Exception;
      Exception table:
        from    to  target  type
           6     8       9  Class java.security.PrivilegedActionException
           4    23      24  any
          24    25      24  any

  public static synchronized void setFactory(javax.security.auth.message.config.AuthConfigFactory);
    descriptor: (Ljavax/security/auth/message/config/AuthConfigFactory;)V
    flags: (0x0029) ACC_PUBLIC, ACC_STATIC, ACC_SYNCHRONIZED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // javax.security.auth.message.config.AuthConfigFactory factory
         0: .line 96
            getstatic javax.security.auth.message.config.AuthConfigFactory.setFactorySecurityPermission:Ljava/security/SecurityPermission;
            invokestatic javax.security.auth.message.config.AuthConfigFactory.checkPermission:(Ljava/security/Permission;)V
         1: .line 97
            aload 0 /* factory */
            putstatic javax.security.auth.message.config.AuthConfigFactory.factory:Ljavax/security/auth/message/config/AuthConfigFactory;
         2: .line 98
            return
        end local 0 // javax.security.auth.message.config.AuthConfigFactory factory
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    3     0  factory  Ljavax/security/auth/message/config/AuthConfigFactory;
    MethodParameters:
         Name  Flags
      factory  

  public abstract javax.security.auth.message.config.AuthConfigProvider getConfigProvider(java.lang.String, java.lang.String, javax.security.auth.message.config.RegistrationListener);
    descriptor: (Ljava/lang/String;Ljava/lang/String;Ljavax/security/auth/message/config/RegistrationListener;)Ljavax/security/auth/message/config/AuthConfigProvider;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
            Name  Flags
      layer       
      appContext  
      listener    

  public abstract java.lang.String registerConfigProvider(java.lang.String, java.util.Map, java.lang.String, java.lang.String, java.lang.String);
    descriptor: (Ljava/lang/String;Ljava/util/Map;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
             Name  Flags
      className    
      properties   
      layer        
      appContext   
      description  

  public abstract java.lang.String registerConfigProvider(javax.security.auth.message.config.AuthConfigProvider, java.lang.String, java.lang.String, java.lang.String);
    descriptor: (Ljavax/security/auth/message/config/AuthConfigProvider;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
             Name  Flags
      provider     
      layer        
      appContext   
      description  

  public abstract boolean removeRegistration(java.lang.String);
    descriptor: (Ljava/lang/String;)Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
                Name  Flags
      registrationID  

  public abstract java.lang.String[] detachListener(javax.security.auth.message.config.RegistrationListener, java.lang.String, java.lang.String);
    descriptor: (Ljavax/security/auth/message/config/RegistrationListener;Ljava/lang/String;Ljava/lang/String;)[Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
            Name  Flags
      listener    
      layer       
      appContext  

  public abstract java.lang.String[] getRegistrationIDs(javax.security.auth.message.config.AuthConfigProvider);
    descriptor: (Ljavax/security/auth/message/config/AuthConfigProvider;)[Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
          Name  Flags
      provider  

  public abstract javax.security.auth.message.config.AuthConfigFactory$RegistrationContext getRegistrationContext(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljavax/security/auth/message/config/AuthConfigFactory$RegistrationContext;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
                Name  Flags
      registrationID  

  public abstract void refresh();
    descriptor: ()V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  private static void checkPermission(java.security.Permission);
    descriptor: (Ljava/security/Permission;)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // java.security.Permission permission
         0: .line 122
            invokestatic java.lang.System.getSecurityManager:()Ljava/lang/SecurityManager;
            astore 1 /* securityManager */
        start local 1 // java.lang.SecurityManager securityManager
         1: .line 123
            aload 1 /* securityManager */
            ifnull 3
         2: .line 124
            aload 1 /* securityManager */
            aload 0 /* permission */
            invokevirtual java.lang.SecurityManager.checkPermission:(Ljava/security/Permission;)V
         3: .line 126
      StackMap locals: java.lang.SecurityManager
      StackMap stack:
            return
        end local 1 // java.lang.SecurityManager securityManager
        end local 0 // java.security.Permission permission
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0    4     0       permission  Ljava/security/Permission;
            1    4     1  securityManager  Ljava/lang/SecurityManager;
    MethodParameters:
            Name  Flags
      permission  

  private static java.lang.String getFactoryClassName();
    descriptor: ()Ljava/lang/String;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=0
         0: .line 129
            new javax.security.auth.message.config.AuthConfigFactory$2
            dup
            invokespecial javax.security.auth.message.config.AuthConfigFactory$2.<init>:()V
            invokestatic java.security.AccessController.doPrivileged:(Ljava/security/PrivilegedAction;)Ljava/lang/Object;
            checkcast java.lang.String
            astore 0 /* className */
        start local 0 // java.lang.String className
         1: .line 136
            aload 0 /* className */
            ifnull 3
         2: .line 137
            aload 0 /* className */
            areturn
         3: .line 140
      StackMap locals: java.lang.String
      StackMap stack:
            ldc "org.apache.catalina.authenticator.jaspic.AuthConfigFactoryImpl"
            areturn
        end local 0 // java.lang.String className
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            1    4     0  className  Ljava/lang/String;
}
SourceFile: "AuthConfigFactory.java"
NestMembers:
  javax.security.auth.message.config.AuthConfigFactory$1  javax.security.auth.message.config.AuthConfigFactory$2  javax.security.auth.message.config.AuthConfigFactory$RegistrationContext
InnerClasses:
  javax.security.auth.message.config.AuthConfigFactory$1
  javax.security.auth.message.config.AuthConfigFactory$2
  public abstract RegistrationContext = javax.security.auth.message.config.AuthConfigFactory$RegistrationContext of javax.security.auth.message.config.AuthConfigFactory