* combining their fields, frequencies, and other attributes while
 * maintaining uniqueness where appropriate.
 */
public final class SuggestItemMerger {

    private SuggestItemMerger() {
        // Utility class
    }

    /**
     * Merges two SuggestItem instances into a new SuggestItem.
     *
     * <p>The merge follows these rules:
     * <ul>

import java.util.Set;

import org.junit.Test;

/**
 * Unit tests for SuggestItemMerger.
 */
public class SuggestItemMergerTest {

    @Test
    public void testMerge_frequencies() {
        SuggestItem item1 = createItem("text", 10L, 5L, 1.0f);
        SuggestItem item2 = createItem("text", 20L, 15L, 2.0f);

        SuggestItem merged = SuggestItemMerger.merge(item1, item2);

        assertNotNull(merged);

     * @param item2 The second suggest item.
     * @return The merged suggest item.
     */
    public static SuggestItem merge(final SuggestItem item1, final SuggestItem item2) {
        return SuggestItemMerger.merge(item1, item2);
    }

    /**
     * Checks if the suggest item contains any of the given bad words.
     * @param badWords The array of bad words.