https://openjdk.java.net/ 
public interface com.sun.xml.internal.ws.wsdl.writer.document.Message extends com.sun.xml.internal.txw2.TypedXmlWriter, com.sun.xml.internal.ws.wsdl.writer.document.Documented
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.sun.xml.internal.ws.wsdl.writer.document.Message
  super_class: java.lang.Object
{
  public abstract com.sun.xml.internal.ws.wsdl.writer.document.Message name(java.lang.String);
    descriptor: (Ljava/lang/String;)Lcom/sun/xml/internal/ws/wsdl/writer/document/Message;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    RuntimeVisibleAnnotations: 
      com.sun.xml.internal.txw2.annotation.XmlAttribute()
    MethodParameters:
       Name  Flags
      value  

  public abstract com.sun.xml.internal.ws.wsdl.writer.document.Part part();
    descriptor: ()Lcom/sun/xml/internal/ws/wsdl/writer/document/Part;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    RuntimeVisibleAnnotations: 
      com.sun.xml.internal.txw2.annotation.XmlElement()
}
SourceFile: "Message.java"
    RuntimeVisibleAnnotations: 
      com.sun.xml.internal.txw2.annotation.XmlElement(value = "message")