reverting changes breaking the build

mifosng-provider/src/main/java/org/mifosplatform/accounting/rule/service/AccountingRuleWritePlatformServiceJpaRepositoryImpl.java

@@ -112,8 +112,8 @@ public class AccountingRuleWritePlatformServiceJpaRepositoryImpl implements Acco
         // get the GL Accounts or tags to Debit and Credit
         final String[] debitTags = command.arrayValueOfParameterNamed(AccountingRuleJsonInputParams.DEBIT_ACCOUNT_TAGS.getValue());
         final String[] creditTags = command.arrayValueOfParameterNamed(AccountingRuleJsonInputParams.CREDIT_ACCOUNT_TAGS.getValue());
-        final Set<String> incomingDebitTags = debitTags == null ? new HashSet<>() : new HashSet<>(Arrays.asList(debitTags));
-        final Set<String> incomingCreditTags = creditTags == null ? new HashSet<>() : new HashSet<>(Arrays.asList(creditTags));
+        final Set<String> incomingDebitTags = debitTags == null ? new HashSet<String>() : new HashSet<>(Arrays.asList(debitTags));
+        final Set<String> incomingCreditTags = creditTags == null ? new HashSet<String>() : new HashSet<>(Arrays.asList(creditTags));
         final Long accountToDebitId = command.longValueOfParameterNamed(AccountingRuleJsonInputParams.ACCOUNT_TO_DEBIT.getValue());
         final Long accountToCreditId = command.longValueOfParameterNamed(AccountingRuleJsonInputParams.ACCOUNT_TO_CREDIT.getValue());
 

mifosng-provider/src/main/java/org/mifosplatform/portfolio/savings/data/DepositAccountData.java

@@ -272,7 +272,7 @@ public class DepositAccountData {
     }
 
     public Collection<SavingsAccountChargeData> charges() {
-        return (this.charges == null) ? new HashSet<>() : this.charges;
+        return (this.charges == null) ? new HashSet<SavingsAccountChargeData>() : this.charges;
     }
 
     public EnumOptionData depositType() {

mifosng-provider/src/main/java/org/mifosplatform/portfolio/savings/data/SavingsAccountData.java

@@ -469,6 +469,6 @@ public class SavingsAccountData {
     }
 
     public Collection<SavingsAccountChargeData> charges() {
-        return (this.charges == null) ? new HashSet<>() : this.charges;
+        return (this.charges == null) ? new HashSet<SavingsAccountChargeData>() : this.charges;
     }
 }

mifosng-provider/src/main/java/org/mifosplatform/portfolio/savings/domain/SavingsAccount.java

@@ -2309,7 +2309,7 @@ public class SavingsAccount extends AbstractPersistable<Long> {
     }
 
     public Set<SavingsAccountCharge> charges() {
-        return (this.charges == null) ? new HashSet<>() : this.charges;
+        return (this.charges == null) ? new HashSet<SavingsAccountCharge>() : this.charges;
     }
 
     public void validateAccountValuesWithProduct() {