src/main/java/org/fest/assertions/ItemGroupAssert.java
protected final void assertExcludes(@NotNull Object... objects) {
    isNotNull();
    checkNotNull(objects);
    Collection<Object> found = found(actualAsSet(), objects);
    if (found.isEmpty()) {
      return;
    }
    failIfCustomMessageIsSet();
    throw failure(format("<%s> does not exclude element(s):<%s>", actual, found));
  }
protected final void assertExcludes(@NotNull Object... objects) {
    isNotNull();
    checkNotNull(objects);
    Collection<Object> found = found(actualAsSet(), objects);
    if (found.isEmpty()) {
      return;
    }
    failIfCustomMessageIsSet();
    throw failure(format("<%s> does not exclude element(s):<%s>", actual, found));
  }
Verifies that the actual group of objects does not contain the given objects.

@param objects the objects that the group of objects should exclude.
@throws AssertionError       if the actual group of objects is {@code null}.
@throws NullPointerException if the given array is {@code null}.
@throws AssertionError       if the actual group of objects contains any of the given objects.