metric namespace constant

src/index.js

@@ -1,13 +1,14 @@
 /* @flow */
 
+export * from "./apm";
 export * from "./defaults";
 export * from "./env";
 export * from "./error";
 export * from "./fpti";
 export * from "./funding";
 export * from "./locale";
+export * from "./observability";
 export * from "./order";
 export * from "./params";
 export * from "./platform";
 export * from "./types";
-export * from "./apm";

src/observability.js

@@ -0,0 +1,8 @@
+/* @flow */
+
+export const BASE_SDK_METRIC_NAMESPACE = "pp.sdks.ppcp";
+
+export const payPalWebV5Dimensions = {
+  sdk_platform: "web",
+  major_version: "5",
+};