1 files changed, 3 insertions, 3 deletions

diff --git a/model-data/src/main/java/org/eclipse/viatra/solver/data/util/CollectionsUtil.java b/model-data/src/main/java/org/eclipse/viatra/solver/data/util/CollectionsUtil.java
index 68945319..21b0a9df 100644
--- a/model-data/src/main/java/org/eclipse/viatra/solver/data/util/CollectionsUtil.java
+++ b/model-data/src/main/java/org/eclipse/viatra/solver/data/util/CollectionsUtil.java
@@ -10,7 +10,7 @@ public final class CollectionsUtil {
                 throw new UnsupportedOperationException();
         }
         
-        static <S,T> Iterator<T> map(Iterator<S> source, Function<S, T> transformation) {
+        public static <S,T> Iterator<T> map(Iterator<S> source, Function<S, T> transformation) {
                 return new Iterator<T>() {
 
                         @Override
@@ -25,11 +25,11 @@ public final class CollectionsUtil {
                 };
         }
         
-        static <S,T> Iterable<T> map(Iterable<S> source, Function<S, T> transformation) {
+        public static <S,T> Iterable<T> map(Iterable<S> source, Function<S, T> transformation) {
                 return (()->map(source.iterator(),transformation));
         }
         
-        static <T> Iterator<T> filter(Iterator<T> source, Predicate<T> condition) {
+        public static <T> Iterator<T> filter(Iterator<T> source, Predicate<T> condition) {
                 return new Iterator<T>() {
                         T internalNext = move();
                         boolean internalHasNext;