Makes adjustment for various checkstyle items

plugin/src/software/aws/toolkits/eclipse/amazonq/handlers/AbstractQToggleSuggestionsHandler.java

@@ -21,6 +21,22 @@ public final boolean isEnabled() {
                 && qInvocationSessionInstance.isPreviewingSuggestions();
     }
 
+    /**
+     * Executes the command when the user triggers the handler.
+     * <p>
+     * Subclasses overriding this method should ensure that the following conditions are met:
+     * </p>
+     * <ul>
+     *     <li>The method should make sure to set a direction of toggle</li>
+     *     <li>The method should make sure to call the super's counter part of this method</li>
+     * </ul>
+     *
+     * @param event The execution event that triggered the handler.
+     * @return The result of the execution, or <code>null</code> if there is no result.
+     *
+     * @implSpec
+     * Implementations should call {@code super.execute(event)} at the end to delegate the actual movement.
+     */
     @Override
     public Object execute(final ExecutionEvent event) {
         QInvocationSession qInvocationSessionInstance = QInvocationSession.getInstance();
@@ -32,12 +48,14 @@ public Object execute(final ExecutionEvent event) {
         case BACKWARD:
             qInvocationSessionInstance.decrementCurrentSuggestionIndex();
             break;
+        default:
+            qInvocationSessionInstance.incrementCurentSuggestionIndex();
         }
 
         return null;
     }
 
-    protected void setCommandDirection(final Direction direction) {
+    protected final void setCommandDirection(final Direction direction) {
         this.direction = direction;
     }
 }

plugin/src/software/aws/toolkits/eclipse/amazonq/util/QInlineVerifyKeyListener.java

@@ -164,7 +164,6 @@ public void verifyKey(final VerifyEvent event) {
                         break;
                     }
                 }
-
                 leadingWhitespaceSkipped += newWs;
                 qInvocationSessionInstance.setLeadingWhitespaceSkipped(leadingWhitespaceSkipped);
             }

plugin/src/software/aws/toolkits/eclipse/amazonq/util/QInvocationSession.java

@@ -322,7 +322,7 @@ public void incrementCurentSuggestionIndex() {
         }
     }
 
-    public void setHasBeenTypedahead(boolean hasBeenTypedahead) {
+    public void setHasBeenTypedahead(final boolean hasBeenTypedahead) {
         this.hasBeenTypedahead = hasBeenTypedahead;
     }