protected boolean isSerializable(final Object object) {
    if (object == null) {
      return true;
    }
    return object instanceof Serializable;
  }
Returns true if the provided {@code object} implements {@code Serializable}.

@param object the {@code object} to test for implementing {@code Serializable}.
@return true if the provided {@code object} implements {@code Serializable}.
geode-core/src/main/java/org/apache/geode/security/GemFireSecurityException.java