E1 - Type of the free variable, i.e. the element the predicate is called on.public interface P1<E1> extends IgnitePredicate<E1>
alias for IgnitePredicate by extending it. Since Java doesn't provide type aliases
(like Scala, for example) we resort to these types of measures. This is intended to provide for more
concise code in cases when readability won't be sacrificed. For more information see IgnitePredicate.GridFunc,
IgnitePredicateapply
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Ignite Database and Caching Platform : ver. 2.11.0 Release Date : September 11 2021