[implements #1456] accessors can now be made final via @Accessors.

test/transform/resource/after-ecj/AccessorsCascade.java

@@ -0,0 +1,43 @@
+@lombok.experimental.Accessors(chain = true) class AccessorsOuter {
+  class AccessorsInner1 {
+    private @lombok.experimental.Accessors(prefix = "z") @lombok.Setter String zTest3;
+    AccessorsInner1() {
+      super();
+    }
+    /**
+     * @return {@code this}.
+     */
+    public @java.lang.SuppressWarnings("all") AccessorsOuter.AccessorsInner1 setTest3(final String zTest3) {
+      this.zTest3 = zTest3;
+      return this;
+    }
+  }
+  @lombok.experimental.Accessors(chain = false) class AccessorsInner2 {
+    private @lombok.Setter String fTest4;
+    AccessorsInner2() {
+      super();
+    }
+    public @java.lang.SuppressWarnings("all") void setTest4(final String fTest4) {
+      this.fTest4 = fTest4;
+    }
+  }
+  private @lombok.Setter String fTest;
+  private @lombok.experimental.Accessors(prefix = "z") @lombok.Setter String zTest2;
+  AccessorsOuter() {
+    super();
+  }
+  /**
+   * @return {@code this}.
+   */
+  public @java.lang.SuppressWarnings("all") AccessorsOuter setTest(final String fTest) {
+    this.fTest = fTest;
+    return this;
+  }
+  /**
+   * @return {@code this}.
+   */
+  public @java.lang.SuppressWarnings("all") AccessorsOuter setTest2(final String zTest2) {
+    this.zTest2 = zTest2;
+    return this;
+  }
+}