}

    /**
     * Returns a {@link CopyOptions} with a date converter applied.
     *
     * @param pattern
     *            The date pattern. Must not be {@literal null} or an empty string.
     * @param propertyNames
     *            An array of property names. Each element must not be {@literal null} or an empty string.
     * @return A {@link CopyOptions} with a date converter applied.

      this License, each Contributor hereby grants to You a perpetual,
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      where such license applies only to those patent claims licensable
      by such Contributor that are necessarily infringed by their

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      where such license applies only to those patent claims licensable
      by such Contributor that are necessarily infringed by their

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      (except as stated in this section) patent license to make, have made,
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      where such license applies only to those patent claims licensable
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      (except as stated in this section) patent license to make, have made,
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      where such license applies only to those patent claims licensable
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      (except as stated in this section) patent license to make, have made,
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      where such license applies only to those patent claims licensable
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      (except as stated in this section) patent license to make, have made,
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      where such license applies only to those patent claims licensable
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      (except as stated in this section) patent license to make, have made,
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      where such license applies only to those patent claims licensable
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      (except as stated in this section) patent license to make, have made,
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      where such license applies only to those patent claims licensable
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      this License, each Contributor hereby grants to You a perpetual,
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      (except as stated in this section) patent license to make, have made,
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      where such license applies only to those patent claims licensable
      by such Contributor that are necessarily infringed by their