Enable keyword arguments for a few rate helper classes

Author: lballabio

SWIG/ratehelpers.i

@@ -361,6 +361,9 @@ class BondHelper : public RateHelper {
 
 %shared_ptr(FixedRateBondHelper)
 class FixedRateBondHelper : public BondHelper {
+    #if !defined(SWIGJAVA) && !defined(SWIGCSHARP)
+    %feature("kwargs") FixedRateBondHelper;
+    #endif
   public:
     FixedRateBondHelper(
                   const Handle<Quote>& cleanPrice,
@@ -517,6 +520,7 @@ class OISRateHelper : public RateHelper {
 %shared_ptr(FxSwapRateHelper)
 class FxSwapRateHelper : public RateHelper {
     #if !defined(SWIGJAVA) && !defined(SWIGCSHARP)
+    %feature("kwargs") FxSwapRateHelper;
     %feature("kwargs") forDates;
     #endif
   public:
@@ -609,6 +613,9 @@ class SofrFutureRateHelper : public OvernightIndexFutureRateHelper {
 
 %shared_ptr(ConstNotionalCrossCurrencySwapRateHelper)
 class ConstNotionalCrossCurrencySwapRateHelper : public RateHelper {
+    #if !defined(SWIGJAVA) && !defined(SWIGCSHARP)
+    %feature("kwargs") ConstNotionalCrossCurrencySwapRateHelper;
+    #endif
   public:
     ConstNotionalCrossCurrencySwapRateHelper(const Handle<Quote>& fixedRate,
                                              const Period& tenor,
@@ -629,6 +636,9 @@ class ConstNotionalCrossCurrencySwapRateHelper : public RateHelper {
 
 %shared_ptr(ConstNotionalCrossCurrencyBasisSwapRateHelper)
 class ConstNotionalCrossCurrencyBasisSwapRateHelper : public RateHelper {
+    #if !defined(SWIGJAVA) && !defined(SWIGCSHARP)
+    %feature("kwargs") ConstNotionalCrossCurrencyBasisSwapRateHelper;
+    #endif
   public:
     ConstNotionalCrossCurrencyBasisSwapRateHelper(const Handle<Quote>& basis,
                                                   const Period& tenor,
@@ -651,6 +661,9 @@ class ConstNotionalCrossCurrencyBasisSwapRateHelper : public RateHelper {
 
 %shared_ptr(MtMCrossCurrencyBasisSwapRateHelper)
 class MtMCrossCurrencyBasisSwapRateHelper : public RateHelper {
+    #if !defined(SWIGJAVA) && !defined(SWIGCSHARP)
+    %feature("kwargs") MtMCrossCurrencyBasisSwapRateHelper;
+    #endif
   public:
     MtMCrossCurrencyBasisSwapRateHelper(const Handle<Quote>& basis,
                                         const Period& tenor,
@@ -677,6 +690,9 @@ class MtMCrossCurrencyBasisSwapRateHelper : public RateHelper {
 
 %shared_ptr(IborIborBasisSwapRateHelper)
 class IborIborBasisSwapRateHelper : public RateHelper {
+    #if !defined(SWIGJAVA) && !defined(SWIGCSHARP)
+    %feature("kwargs") IborIborBasisSwapRateHelper;
+    #endif
   public:
     IborIborBasisSwapRateHelper(const Handle<Quote>& basis,
                                 const Period& tenor,
@@ -695,6 +711,9 @@ class IborIborBasisSwapRateHelper : public RateHelper {
 
 %shared_ptr(OvernightIborBasisSwapRateHelper)
 class OvernightIborBasisSwapRateHelper : public RateHelper {
+    #if !defined(SWIGJAVA) && !defined(SWIGCSHARP)
+    %feature("kwargs") OvernightIborBasisSwapRateHelper;
+    #endif
   public:
     OvernightIborBasisSwapRateHelper(const Handle<Quote>& basis,
                                      const Period& tenor,
@@ -715,6 +734,9 @@ class OvernightIborBasisSwapRateHelper : public RateHelper {
 
 %shared_ptr(OvernightOvernightBasisSwapRateHelper)
 class OvernightOvernightBasisSwapRateHelper : public RateHelper {
+    #if !defined(SWIGJAVA) && !defined(SWIGCSHARP)
+    %feature("kwargs") OvernightOvernightBasisSwapRateHelper;
+    #endif
   public:
     OvernightOvernightBasisSwapRateHelper(
         const Handle<Quote>& basis,
@@ -737,6 +759,9 @@ class OvernightOvernightBasisSwapRateHelper : public RateHelper {
 
 %shared_ptr(MultipleResetsSwapRateHelper)
 class MultipleResetsSwapRateHelper : public RateHelper {
+    #if !defined(SWIGJAVA) && !defined(SWIGCSHARP)
+    %feature("kwargs") MultipleResetsSwapRateHelper;
+    #endif
   public:
     MultipleResetsSwapRateHelper(
         Natural settlementDays,