make it explicit that BuildExceptions can be thrown, even though its not necessary.

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@272593 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/DynamicConfigurator.java

@@ -61,7 +61,8 @@ package org.apache.tools.ant;
  * @since Ant 1.5
  */
 public interface DynamicConfigurator {
-    public void setDynamicAttribute(String name, String value);
+    public void setDynamicAttribute(String name, String value)
+            throws BuildException;
 
-    public Object createDynamicElement(String name);
+    public Object createDynamicElement(String name) throws BuildException;
 }