https://openjdk.java.net/ 
public class com.sun.xml.internal.ws.developer.MemberSubmissionEndpointReference$Elements
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: com.sun.xml.internal.ws.developer.MemberSubmissionEndpointReference$Elements
  super_class: java.lang.Object
{
  public java.util.List<org.w3c.dom.Element> elements;
    descriptor: Ljava/util/List;
    flags: (0x0001) ACC_PUBLIC
    Signature: Ljava/util/List<Lorg/w3c/dom/Element;>;
    RuntimeVisibleAnnotations: 
      javax.xml.bind.annotation.XmlAnyElement()

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.sun.xml.internal.ws.developer.MemberSubmissionEndpointReference$Elements this
         0: .line 183
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.sun.xml.internal.ws.developer.MemberSubmissionEndpointReference$Elements this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/sun/xml/internal/ws/developer/MemberSubmissionEndpointReference$Elements;
}
SourceFile: "MemberSubmissionEndpointReference.java"
NestHost: com.sun.xml.internal.ws.developer.MemberSubmissionEndpointReference
InnerClasses:
  public Elements = com.sun.xml.internal.ws.developer.MemberSubmissionEndpointReference$Elements of com.sun.xml.internal.ws.developer.MemberSubmissionEndpointReference
    RuntimeVisibleAnnotations: 
      javax.xml.bind.annotation.XmlType(name = "elements", namespace = "http://schemas.xmlsoap.org/ws/2004/08/addressing")