src/main/java/com/hp/autonomy/hod/client/api/queryprofile/QueryProfileRequestBuilder.java
public QueryProfileRequestBuilder addPromotionCategories(final String category0, final String... categories) {
        promotionCategories.add(category0);
        promotionCategories.addAll(Arrays.asList(categories));
        return this;
    }
public QueryProfileRequestBuilder addPromotionCategories(final String category0, final String... categories) {
        promotionCategories.add(category0);
        promotionCategories.addAll(Arrays.asList(categories));
        return this;
    }
Adds categories to the promotion_categories parameter

@param category0  The first category to add
@param categories Additional categories to add
@return this