public static final Function<Collection<? extends BaseDateTime>, Period> baseDateTimeFieldCollectionToPeriod(final PeriodType periodType, final Chronology chronology) {
		return new BaseDateTimeFieldCollectionToPeriod(periodType, chronology);
	}
public static final Function < Collection < ? extends BaseDateTime > , Period > baseDateTimeFieldCollectionToPeriod ( final PeriodType periodType , final Chronology chronology ) { return new BaseDateTimeFieldCollectionToPeriod ( periodType , chronology ) ; }
<p>
It creates a {@link Period} with the specified {@link PeriodType} and {@link Chronology}. The input received by the {@link Function}
must have size 2 and represents the start and end instants of the {@link Period}
</p>

@param periodType the {@link PeriodType} to be created. It specifies which duration fields are to be used
@param chronology {@link Chronology} to be used
@return the {@link Period} created from the input and arguments