--- old/src/java.xml/share/classes/javax/xml/stream/events/XMLEvent.java	2020-08-24 17:28:58.094378889 +0000
+++ new/src/java.xml/share/classes/javax/xml/stream/events/XMLEvent.java	2020-08-24 17:28:57.809364349 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2009, 2020, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -51,6 +51,7 @@
 
   /**
    * Returns an integer code for this event.
+   * @return the event type
    * @see #START_ELEMENT
    * @see #END_ELEMENT
    * @see #CHARACTERS
@@ -68,24 +69,28 @@
    * Return the location of this event.  The Location
    * returned from this method is non-volatile and
    * will retain its information.
+   * @return the location of the event
    * @see javax.xml.stream.Location
    */
   javax.xml.stream.Location getLocation();
 
   /**
    * A utility function to check if this event is a StartElement.
+   * @return true if the event is {@code StartElement}, false otherwise
    * @see StartElement
    */
   public boolean isStartElement();
 
   /**
    * A utility function to check if this event is an Attribute.
+   * @return true if the event is {@code Attribute}, false otherwise
    * @see Attribute
    */
   public boolean isAttribute();
 
   /**
    * A utility function to check if this event is a Namespace.
+   * @return true if the event is {@code Namespace}, false otherwise
    * @see Namespace
    */
   public boolean isNamespace();
@@ -93,36 +98,42 @@
 
   /**
    * A utility function to check if this event is a EndElement.
+   * @return true if the event is {@code EndElement}, false otherwise
    * @see EndElement
    */
   public boolean isEndElement();
 
   /**
    * A utility function to check if this event is an EntityReference.
+   * @return true if the event is {@code EntityReference}, false otherwise
    * @see EntityReference
    */
   public boolean isEntityReference();
 
   /**
    * A utility function to check if this event is a ProcessingInstruction.
+   * @return true if the event is {@code ProcessingInstruction}, false otherwise
    * @see ProcessingInstruction
    */
   public boolean isProcessingInstruction();
 
   /**
    * A utility function to check if this event is Characters.
+   * @return true if the event is {@code Characters}, false otherwise
    * @see Characters
    */
   public boolean isCharacters();
 
   /**
    * A utility function to check if this event is a StartDocument.
+   * @return true if the event is {@code StartDocument}, false otherwise
    * @see StartDocument
    */
   public boolean isStartDocument();
 
   /**
    * A utility function to check if this event is an EndDocument.
+   * @return true if the event is {@code EndDocument}, false otherwise
    * @see EndDocument
    */
   public boolean isEndDocument();
@@ -130,18 +141,21 @@
   /**
    * Returns this event as a start element event, may result in
    * a class cast exception if this event is not a start element.
+   * @return a {@code StartElement} event
    */
   public StartElement asStartElement();
 
   /**
    * Returns this event as an end  element event, may result in
    * a class cast exception if this event is not a end element.
+   * @return a {@code EndElement} event
    */
   public EndElement asEndElement();
 
   /**
    * Returns this event as Characters, may result in
    * a class cast exception if this event is not Characters.
+   * @return a {@code Characters} event
    */
   public Characters asCharacters();
 
@@ -150,6 +164,7 @@
    * optional type information about the associated event.
    * It is optional and will return null if no information
    * is available.
+   * @return the type of the event, null if not available
    */
   public QName getSchemaType();