public interface WindowSpecification<T>
A specification for a 
Window.- Author:
 - Lukas Eder
 
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Method Summary
 
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Method Details
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partition
The window partition function. - 
order
Optional<Comparator<? super T>> order()The window order. - 
lower
long lower()The window's lower frame bound. - 
upper
long upper()The window's upper frame bound. 
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