public boolean removeCreativeId(Long aCreativeId) {
   boolean wasRemoved = false;
   wasRemoved = creativeIds.remove(aCreativeId);
   return wasRemoved;
 }
 public boolean removeWordsRank(GetkeywordRankResponseMetaData aWordsRank) {
   boolean wasRemoved = false;
   wasRemoved = wordsRanks.remove(aWordsRank);
   return wasRemoved;
 }
 public boolean removeMobileSublinkType(MobileSublinkType aMobileSublinkType) {
   boolean wasRemoved = false;
   wasRemoved = mobileSublinkTypes.remove(aMobileSublinkType);
   return wasRemoved;
 }
 public boolean removeAdgroupSelectedColumn(String aAdgroupSelectedColumn) {
   boolean wasRemoved = false;
   wasRemoved = adgroupSelectedColumn.remove(aAdgroupSelectedColumn);
   return wasRemoved;
 }
 public boolean removeKeywordSelectedColumn(String aKeywordSelectedColumn) {
   boolean wasRemoved = false;
   wasRemoved = keywordSelectedColumn.remove(aKeywordSelectedColumn);
   return wasRemoved;
 }
 public boolean removeCampaignSelectedColumn(String aCampaignSelectedColumn) {
   boolean wasRemoved = false;
   wasRemoved = campaignSelectedColumn.remove(aCampaignSelectedColumn);
   return wasRemoved;
 }
 public boolean removeCampaignId(Long aCampaignId) {
   boolean wasRemoved = false;
   wasRemoved = campaignIds.remove(aCampaignId);
   return wasRemoved;
 }
 public boolean removeSelectedRow(VariableColumn aSelectedRow) {
   boolean wasRemoved = false;
   wasRemoved = selectedRow.remove(aSelectedRow);
   return wasRemoved;
 }
 public boolean removeNewCreativeSelectedColumn(String aNewCreativeSelectedColumn) {
   boolean wasRemoved = false;
   wasRemoved = newCreativeSelectedColumn.remove(aNewCreativeSelectedColumn);
   return wasRemoved;
 }
 public boolean removeGroupKeywordId(GroupKeywordId aGroupKeywordId) {
   boolean wasRemoved = false;
   wasRemoved = groupKeywordIds.remove(aGroupKeywordId);
   return wasRemoved;
 }