Licensed under either of
 * Apache License, Version 2.0
   ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
 * MIT license
   ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)</sup>
   
at your option.

Unless you explicitly state otherwise, any contribution intentionally submitted
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dual licensed as above, without any additional terms or conditions.
