Generate public static EMPTY_ARRAY fields for each object.

editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/HoverInformation.java

Index: editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/HoverInformation.java
diff --git a/editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/HoverInformation.java b/editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/HoverInformation.java
index 5c9b2879d5d5cfe4c0bdbda3f9b44c6743207ee4..280d5f5dbb93237343c28f2d1ef3ac88376a5bd5 100644
--- a/editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/HoverInformation.java
+++ b/editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/HoverInformation.java
@@ -31,10 +31,21 @@ import org.apache.commons.lang3.StringUtils;
 public class HoverInformation {
 
   /**
-   * The name of the library in which the referenced element is declared. This data is omitted if
-   * there is no referenced element.
+   * An empty array of {@link HoverInformation}s.
    */
-  private final String containingLibraryName;
+  public static final HoverInformation[] EMPTY_ARRAY = new HoverInformation[0];
+
+  /**
+   * The offset of the range of characters that encompases the cursor position and has the same hover
+   * information as the cursor position.
+   */
+  private final int offset;
+
+  /**
+   * The length of the range of characters that encompases the cursor position and has the same hover
+   * information as the cursor position.
+   */
+  private final int length;
 
   /**
    * The path to the defining compilation unit of the library in which the referenced element is
@@ -43,6 +54,12 @@ public class HoverInformation {
   private final String containingLibraryPath;
 
   /**
+   * The name of the library in which the referenced element is declared. This data is omitted if
+   * there is no referenced element.
+   */
+  private final String containingLibraryName;
+
+  /**
    * The dartdoc associated with the referenced element. Other than the removal of the comment
    * delimiters, including leading asterisks in the case of a block comment, the dartdoc is
    * unprocessed markdown. This data is omitted if there is no referenced element.
@@ -62,18 +79,6 @@ public class HoverInformation {
   private final String elementKind;
 
   /**
-   * The length of the range of characters that encompases the cursor position and has the same hover
-   * information as the cursor position.
-   */
-  private final int length;
-
-  /**
-   * The offset of the range of characters that encompases the cursor position and has the same hover
-   * information as the cursor position.
-   */
-  private final int offset;
-
-  /**
    * A human-readable description of the parameter corresponding to the expression being hovered
    * over. This data is omitted if the location is not in an argument to a function.
    */