</BUG>
this.userGroups = singletonList(userGroup);
this.tickInterval = DEFAULT_TICK_INTERVAL;
}
public Builder(JLoadProfileUsers userGroup, JLoadProfileUsers... userGroups) {
<BUG>Objects.nonNull(userGroup);
</BUG>
ArrayList<JLoadProfileUsers> groups = new ArrayList<>();
groups.add(userGroup);
Collections.addAll(groups, userGroups);

static final int DEFAULT_TICK_INTERVAL = 1000;
private final List<JLoadProfileUsers> userGroups;
private int delayBetweenInvocationsInSeconds;
private int tickInterval;
private Builder(JLoadProfileUsers userGroup) {
Objects.requireNonNull(userGroup);
this.userGroups = singletonList(userGroup);
this.tickInterval = DEFAULT_TICK_INTERVAL;
}
public Builder(JLoadProfileUsers userGroup, JLoadProfileUsers... userGroups) {
Objects.requireNonNull(userGroup);
ArrayList<JLoadProfileUsers> groups = new ArrayList<>();
groups.add(userGroup);
Collections.addAll(groups, userGroups);
