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1   package com.puppycrawl.tools.checkstyle.checks.whitespace.genericwhitespace;
2   
3   import java.util.Optional;
4   import java.util.function.Supplier;
5   
6   
7   public class InputGenericWhitespaceMethodRef2
8   {
9       final Supplier<Optional<Integer>> function1 = Optional::<Integer>empty;
10      final Supplier<Optional<Integer>> function2 = Optional::<Integer> empty;
11  }