code: public static final Function<Collection<Integer>, MutableDateTime> integerFieldCollectionToMutableDateTime(Chronology chronology) {
          return FnMutableDateTime.integerFieldCollectionToMutableDateTime(chronology);
      }
docs: <p>
  A {@link MutableDateTime} is created from the input {@link Integer} {@link Collection}.
  The result will be created with the given {@link Chronology}
  </p>
  
  <p>
  The valid input Collection&lt;Integer&gt; are:
  </p>
  <ul>
  <li>year (month and day will be set to 1)</li>
  <li>year, month (day will be set to 1)</li>
  <li>year, month, day</li>
  </ul>
  
  @param chronology {@link Chronology} to be used
  @return the {@link MutableDateTime} created from the input and arguments
  
  @since 1.1