src/main/java/org/fest/assertions/api/AbstractObjectAssert.java
public S isNotInstanceOfAny(Class<?>... types) {
    objects.assertIsNotInstanceOfAny(description, actual, types);
    return myself;
  }
public S isNotInstanceOfAny(Class<?>... types) {
    objects.assertIsNotInstanceOfAny(description, actual, types);
    return myself;
  }
Verifies that the <em>actual</em> value is not an instance of any of the given types.

@param types the types to check the <em>actual</em> value against.
@return this assertion object.
@throws NullPointerException if the given array is {@code null}.
@throws IllegalArgumentException if the given array is empty.
@throws NullPointerException if the given array has {@code null} elements.
@throws AssertionError if the actual <em>actual</em> value is an instance of any of the given types.