chore: move from UnfinishedJoiners -> Joiners

Author: Christopher-Chianelli

src/main/java/ai/timefold/solver/benchmarks/examples/conferencescheduling/score/ConferenceSchedulingConstraintProvider.java

@@ -33,14 +33,14 @@
 import static ai.timefold.solver.core.api.score.stream.ConstraintCollectors.countBi;
 import static ai.timefold.solver.core.api.score.stream.ConstraintCollectors.max;
 import static ai.timefold.solver.core.api.score.stream.ConstraintCollectors.min;
+import static ai.timefold.solver.core.api.score.stream.Joiners.containedIn;
+import static ai.timefold.solver.core.api.score.stream.Joiners.containing;
+import static ai.timefold.solver.core.api.score.stream.Joiners.containingAnyOf;
 import static ai.timefold.solver.core.api.score.stream.Joiners.equal;
 import static ai.timefold.solver.core.api.score.stream.Joiners.filtering;
 import static ai.timefold.solver.core.api.score.stream.Joiners.greaterThan;
 import static ai.timefold.solver.core.api.score.stream.Joiners.lessThan;
 import static ai.timefold.solver.core.api.score.stream.Joiners.overlapping;
-import static ai.timefold.solver.core.impl.score.stream.UnfinishedJoiners.containedIn;
-import static ai.timefold.solver.core.impl.score.stream.UnfinishedJoiners.containing;
-import static ai.timefold.solver.core.impl.score.stream.UnfinishedJoiners.containingAnyOf;
 
 import java.time.LocalDate;
 import java.time.temporal.ChronoUnit;

src/main/java/ai/timefold/solver/benchmarks/examples/curriculumcourse/score/CurriculumCourseConstraintProvider.java

@@ -5,9 +5,9 @@
 import static ai.timefold.solver.core.api.score.HardSoftScore.ofSoft;
 import static ai.timefold.solver.core.api.score.stream.ConstraintCollectors.count;
 import static ai.timefold.solver.core.api.score.stream.ConstraintCollectors.countDistinct;
+import static ai.timefold.solver.core.api.score.stream.Joiners.containedIn;
 import static ai.timefold.solver.core.api.score.stream.Joiners.equal;
 import static ai.timefold.solver.core.api.score.stream.Joiners.filtering;
-import static ai.timefold.solver.core.impl.score.stream.UnfinishedJoiners.containedIn;
 
 import java.util.Objects;