diff --git a/runtime/runtime-core/api/runtime-core.api b/runtime/runtime-core/api/runtime-core.api
index 942f99e34..a1628eeeb 100644
--- a/runtime/runtime-core/api/runtime-core.api
+++ b/runtime/runtime-core/api/runtime-core.api
@@ -343,6 +343,7 @@ public final class aws/smithy/kotlin/runtime/config/EnvironmentSettingKt {
 public final class aws/smithy/kotlin/runtime/content/BigDecimal : java/lang/Number, java/lang/Comparable {
 	public fun <init> (Laws/smithy/kotlin/runtime/content/BigInteger;I)V
 	public fun <init> (Ljava/lang/String;)V
+	public synthetic fun <init> (Ljava/math/BigDecimal;Lkotlin/jvm/internal/DefaultConstructorMarker;)V
 	public final fun byteValue ()B
 	public fun compareTo (Laws/smithy/kotlin/runtime/content/BigDecimal;)I
 	public synthetic fun compareTo (Ljava/lang/Object;)I
@@ -351,9 +352,11 @@ public final class aws/smithy/kotlin/runtime/content/BigDecimal : java/lang/Numb
 	public final fun floatValue ()F
 	public final fun getExponent ()I
 	public final fun getMantissa ()Laws/smithy/kotlin/runtime/content/BigInteger;
-	public final fun getValue ()Ljava/lang/String;
+	public fun hashCode ()I
 	public final fun intValue ()I
 	public final fun longValue ()J
+	public final fun minus (Laws/smithy/kotlin/runtime/content/BigDecimal;)Laws/smithy/kotlin/runtime/content/BigDecimal;
+	public final fun plus (Laws/smithy/kotlin/runtime/content/BigDecimal;)Laws/smithy/kotlin/runtime/content/BigDecimal;
 	public final fun shortValue ()S
 	public fun toByte ()B
 	public fun toDouble ()D
@@ -362,6 +365,7 @@ public final class aws/smithy/kotlin/runtime/content/BigDecimal : java/lang/Numb
 	public fun toLong ()J
 	public final fun toPlainString ()Ljava/lang/String;
 	public fun toShort ()S
+	public fun toString ()Ljava/lang/String;
 }
 
 public final class aws/smithy/kotlin/runtime/content/BigInteger : java/lang/Number, java/lang/Comparable {
@@ -373,7 +377,6 @@ public final class aws/smithy/kotlin/runtime/content/BigInteger : java/lang/Numb
 	public final fun doubleValue ()D
 	public fun equals (Ljava/lang/Object;)Z
 	public final fun floatValue ()F
-	public final fun getValue ()Ljava/lang/String;
 	public fun hashCode ()I
 	public final fun intValue ()I
 	public final fun longValue ()J
@@ -388,6 +391,8 @@ public final class aws/smithy/kotlin/runtime/content/BigInteger : java/lang/Numb
 	public fun toLong ()J
 	public fun toShort ()S
 	public fun toString ()Ljava/lang/String;
+	public final fun toString (I)Ljava/lang/String;
+	public static synthetic fun toString$default (Laws/smithy/kotlin/runtime/content/BigInteger;IILjava/lang/Object;)Ljava/lang/String;
 }
 
 public abstract class aws/smithy/kotlin/runtime/content/ByteStream {