[UTS] Add some exclusions to private API reporting

These are APIs that for the purposes of the unified test suite we can
not consider as private for the time being (so as to not clutter up the
private API reporting data).

scripts/processPrivateApiData/exclusions.ts

@@ -6,11 +6,25 @@ type ExclusionRule = {
   helper?: string;
 };
 
-/**
- * This exclusions mechanism is not currently being used on `main`, but I will use it on a separate unified test suite branch in order to exclude some private API usage that can currently be disregarded in the context of the unified test suite.
- */
 export function applyingExclusions(usageDtos: PrivateApiUsageDto[]) {
-  const exclusionRules: ExclusionRule[] = [];
+  const exclusionRules: ExclusionRule[] = [
+    // This is all helper stuff that we could pull into the test suite, and which for now we could just continue using the version privately exposed by ably-js, even in the UTS.
+    { privateAPIIdentifier: 'call.BufferUtils.areBuffersEqual' },
+    { privateAPIIdentifier: 'call.BufferUtils.base64Decode' },
+    { privateAPIIdentifier: 'call.BufferUtils.base64Encode' },
+    { privateAPIIdentifier: 'call.BufferUtils.hexEncode' },
+    { privateAPIIdentifier: 'call.BufferUtils.isBuffer' },
+    { privateAPIIdentifier: 'call.BufferUtils.toArrayBuffer' },
+    { privateAPIIdentifier: 'call.BufferUtils.utf8Encode' },
+    { privateAPIIdentifier: 'call.Utils.copy' },
+    { privateAPIIdentifier: 'call.Utils.inspectError' },
+    { privateAPIIdentifier: 'call.Utils.keysArray' },
+    { privateAPIIdentifier: 'call.Utils.mixin' },
+    { privateAPIIdentifier: 'call.Utils.toQueryString' },
+    { privateAPIIdentifier: 'call.msgpack.decode' },
+    { privateAPIIdentifier: 'call.msgpack.encode' },
+    { privateAPIIdentifier: 'call.http.doUri', helper: 'getJWT' },
+  ];
 
   return usageDtos.filter(
     (usageDto) =>