Deprecate AccessDecisionManager methods

See gh-1806

spring-webflow/src/main/java/org/springframework/webflow/security/SecurityFlowExecutionListener.java

@@ -38,6 +38,7 @@
  * Flow security integration with Spring Security
  * 
  * @author Scott Andrews
+ * @author Rossen Stoyanchev
  */
 @SuppressWarnings("deprecation")
 public class SecurityFlowExecutionListener implements FlowExecutionListener {
@@ -62,15 +63,21 @@ public void setAuthorizationManagerInitializer(Function<SecurityRule, Authorizat
 	/**
 	 * Get the access decision manager that makes flow authorization decisions.
 	 * @return the decision manager
+	 * @deprecated in favor of using an {@code AuthorizationManager} by setting
+	 * {@link #setAuthorizationManagerInitializer(Function)} instead
 	 */
+	@Deprecated(since = "3.0.1", forRemoval = true)
 	public AccessDecisionManager getAccessDecisionManager() {
 		return this.accessDecisionManager;
 	}
 
 	/**
 	 * Set the access decision manager that makes flow authorization decisions.
 	 * @param accessDecisionManager the decision manager to user
+	 * @deprecated in favor of using an {@code AuthorizationManager} by setting
+	 * {@link #setAuthorizationManagerInitializer(Function)} instead
 	 */
+	@Deprecated(since = "3.0.1", forRemoval = true)
 	public void setAccessDecisionManager(AccessDecisionManager accessDecisionManager) {
 		this.accessDecisionManager = accessDecisionManager;
 	}