-gint32 mono_decimalIncr(/*[In, Out]*/decimal_repr* pA, /*[In]*/decimal_repr* pB);
-gint32 mono_double2decimal(/*[Out]*/decimal_repr* pA, double val, gint32 digits);
-gint32 mono_decimal2UInt64(/*[In]*/decimal_repr* pD, guint64* pResult);
-gint32 mono_decimal2Int64(/*[In]*/decimal_repr* pD, gint64* pResult);
-void mono_decimalFloorAndTrunc(/*[In, Out]*/decimal_repr* pD, gint32 floorFlag);
-void mono_decimalRound(/*[In, Out]*/decimal_repr* pD, gint32 decimals);
-gint32 mono_decimalMult(/*[In, Out]*/decimal_repr* pA, /*[In]*/decimal_repr* pB);
-gint32 mono_decimalDiv(/*[Out]*/decimal_repr* pC, /*[In]*/decimal_repr* pA, /*[In]*/decimal_repr* pB);
-gint32 mono_decimalIntDiv(/*[Out]*/decimal_repr* pC, /*[In]*/decimal_repr* pA, /*[In]*/decimal_repr* pB);
-gint32 mono_decimalCompare(/*[In]*/decimal_repr* pA, /*[In]*/decimal_repr* pB);
-double mono_decimal2double(/*[In]*/decimal_repr* pA);
-gint32 mono_decimalSetExponent(/*[In, Out]*/decimal_repr* pA, gint32 texp);
+gint32 mono_decimalIncr(/*[In, Out]*/decimal_repr* pA, /*[In]*/decimal_repr* pB) MONO_INTERNAL;
+gint32 mono_double2decimal(/*[Out]*/decimal_repr* pA, double val, gint32 digits) MONO_INTERNAL;
+gint32 mono_decimal2UInt64(/*[In]*/decimal_repr* pD, guint64* pResult) MONO_INTERNAL;
+gint32 mono_decimal2Int64(/*[In]*/decimal_repr* pD, gint64* pResult) MONO_INTERNAL;
+void mono_decimalFloorAndTrunc(/*[In, Out]*/decimal_repr* pD, gint32 floorFlag) MONO_INTERNAL;
+void mono_decimalRound(/*[In, Out]*/decimal_repr* pD, gint32 decimals) MONO_INTERNAL;
+gint32 mono_decimalMult(/*[In, Out]*/decimal_repr* pA, /*[In]*/decimal_repr* pB) MONO_INTERNAL;
+gint32 mono_decimalDiv(/*[Out]*/decimal_repr* pC, /*[In]*/decimal_repr* pA, /*[In]*/decimal_repr* pB) MONO_INTERNAL;
+gint32 mono_decimalIntDiv(/*[Out]*/decimal_repr* pC, /*[In]*/decimal_repr* pA, /*[In]*/decimal_repr* pB) MONO_INTERNAL;
+gint32 mono_decimalCompare(/*[In]*/decimal_repr* pA, /*[In]*/decimal_repr* pB) MONO_INTERNAL;
+double mono_decimal2double(/*[In]*/decimal_repr* pA) MONO_INTERNAL;
+gint32 mono_decimalSetExponent(/*[In, Out]*/decimal_repr* pA, gint32 texp) MONO_INTERNAL;