in src/main/java/com/epam/digital/data/platform/report/pipeline/impl/RolesPipeline.java [70:78]
private void createAddedGroups(List<Group> existingGroups, List<Role> roles) {
var existingNames = existingGroups.stream()
.map(Group::getName)
.collect(toList());
roles.stream()
.filter(role -> !existingNames.contains(role.getName()))
.forEach(roleService::create);
}