chore(signature-v4a): constants access annotations

Author: siddsriv

packages/signature-v4a/src/constants.ts

@@ -5,14 +5,22 @@ import { REGION_SET_PARAM } from "@smithy/signature-v4";
  */
 export const REGION_HEADER = REGION_SET_PARAM.toLowerCase();
 
+
+
+// AWS SigV4a private signing key constants
 /**
  * @internal
- * 
- * AWS SigV4a private signing key constants
- * 
  */
 export const ONE_AS_4_BYTES = [0x00, 0x00, 0x00, 0x01];
+
+/**
+ * @internal
+ */
 export const TWOFIFTYSIX_AS_4_BYTES = [0x00, 0x00, 0x01, 0x00];
+
+/**
+ * @internal
+ */
 export const N_MINUS_TWO = [
   0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xbc, 0xe6, 0xfa,
   0xad, 0xa7, 0x17, 0x9e, 0x84, 0xf3, 0xb9, 0xca, 0xc2, 0xfc, 0x63, 0x25, 0x4f,