http://www.jboss.org/shrinkwrap-resolver-parent/shrinkwrap-resolver-impl-maven: Implementation for Resolving Dependencies from a Maven Backend (JBoss by Red Hat) 
class org.jboss.shrinkwrap.resolver.impl.maven.bootstrap.ManualWagonProvider$1 implements java.security.PrivilegedExceptionAction<java.lang.reflect.Field>
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.jboss.shrinkwrap.resolver.impl.maven.bootstrap.ManualWagonProvider$1
  super_class: java.lang.Object
{
  final org.jboss.shrinkwrap.resolver.impl.maven.bootstrap.ManualWagonProvider this$0;
    descriptor: Lorg/jboss/shrinkwrap/resolver/impl/maven/bootstrap/ManualWagonProvider;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  void <init>(org.jboss.shrinkwrap.resolver.impl.maven.bootstrap.ManualWagonProvider);
    descriptor: (Lorg/jboss/shrinkwrap/resolver/impl/maven/bootstrap/ManualWagonProvider;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.jboss.shrinkwrap.resolver.impl.maven.bootstrap.ManualWagonProvider$1 this
         0: .line 80
            aload 0 /* this */
            aload 1
            putfield org.jboss.shrinkwrap.resolver.impl.maven.bootstrap.ManualWagonProvider$1.this$0:Lorg/jboss/shrinkwrap/resolver/impl/maven/bootstrap/ManualWagonProvider;
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.jboss.shrinkwrap.resolver.impl.maven.bootstrap.ManualWagonProvider$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/jboss/shrinkwrap/resolver/impl/maven/bootstrap/ManualWagonProvider$1;
    MethodParameters:
        Name  Flags
      this$0  final

  public java.lang.reflect.Field run();
    descriptor: ()Ljava/lang/reflect/Field;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.jboss.shrinkwrap.resolver.impl.maven.bootstrap.ManualWagonProvider$1 this
         0: .line 83
            ldc Lorg/apache/maven/wagon/providers/http/LightweightHttpWagon;
            ldc "authenticator"
            invokevirtual java.lang.Class.getDeclaredField:(Ljava/lang/String;)Ljava/lang/reflect/Field;
            astore 1 /* field */
        start local 1 // java.lang.reflect.Field field
         1: .line 84
            aload 1 /* field */
            iconst_1
            invokevirtual java.lang.reflect.Field.setAccessible:(Z)V
         2: .line 85
            aload 1 /* field */
            areturn
        end local 1 // java.lang.reflect.Field field
        end local 0 // org.jboss.shrinkwrap.resolver.impl.maven.bootstrap.ManualWagonProvider$1 this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    3     0   this  Lorg/jboss/shrinkwrap/resolver/impl/maven/bootstrap/ManualWagonProvider$1;
            1    3     1  field  Ljava/lang/reflect/Field;
    Exceptions:
      throws java.lang.Exception

  public java.lang.Object run();
    descriptor: ()Ljava/lang/Object;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=1, locals=1, args_size=1
         0: .line 1
            aload 0
            invokevirtual org.jboss.shrinkwrap.resolver.impl.maven.bootstrap.ManualWagonProvider$1.run:()Ljava/lang/reflect/Field;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
    Exceptions:
      throws java.lang.Exception
}
Signature: Ljava/lang/Object;Ljava/security/PrivilegedExceptionAction<Ljava/lang/reflect/Field;>;
SourceFile: "ManualWagonProvider.java"
EnclosingMethod: org.jboss.shrinkwrap.resolver.impl.maven.bootstrap.ManualWagonProvider.setAuthenticator:(Lorg/apache/maven/wagon/providers/http/LightweightHttpWagon;)Lorg/apache/maven/wagon/providers/http/LightweightHttpWagon;
NestHost: org.jboss.shrinkwrap.resolver.impl.maven.bootstrap.ManualWagonProvider
InnerClasses:
  org.jboss.shrinkwrap.resolver.impl.maven.bootstrap.ManualWagonProvider$1