add element to completion suggestion API

pkg/analysis_server/doc/api.html

Index: pkg/analysis_server/doc/api.html
diff --git a/pkg/analysis_server/doc/api.html b/pkg/analysis_server/doc/api.html
index 0ae957be5fad0d4b3456d1bfd56319bd436c2153..eb9a609e7bcd095c259a849a652cc4ae580053b6 100644
--- a/pkg/analysis_server/doc/api.html
+++ b/pkg/analysis_server/doc/api.html
@@ -1985,6 +1985,11 @@ dt.typeDefinition {
               field is omitted if the suggested element is not a member
               of a class.
             </p>
+          </dd><dt class="field"><b><i>element ( <span style="color:#999999">optional</span> <a href="#type_Element">Element</a> )</i></b></dt><dd>
+            
+            <p>
+              Information about the element reference being suggested.
+            </p>
           </dd><dt class="field"><b><i>returnType ( <span style="color:#999999">optional</span> String )</i></b></dt><dd>
             
             <p>