feat: Add a comment

package.json

@@ -51,7 +51,7 @@
     "@google-cloud/opentelemetry-resource-util": "^2.4.0",
     "@google-cloud/precise-date": "^4.0.0",
     "@google-cloud/projectify": "^4.0.0",
-    "@google-cloud/promisify": "^4.0.0",
+    "@google-cloud/promisify": "4.0.0",
     "@opentelemetry/api": "^1.9.0",
     "@opentelemetry/resources": "^1.30.0",
     "@opentelemetry/sdk-metrics": "^1.30.0",

src/instance.ts

@@ -1310,7 +1310,7 @@ Please use the format 'my-instance' or '${bigtable.projectName}/instances/my-ins
         : callback!;
 
     if (policy.etag !== null && policy.etag !== undefined) {
-      (policy.etag as {} as Buffer) = Buffer.from(policy.etag);
+      (policy.etag as {} as Buffer) = Buffer.from(policy.etag as string);
     }
     const reqOpts = {
       resource: this.name,

src/table.ts

@@ -1042,7 +1042,7 @@ export class Table extends TabularApiSurface {
         : callback!;
 
     if (policy.etag !== null && policy.etag !== undefined) {
-      (policy.etag as {} as Buffer) = Buffer.from(policy.etag);
+      (policy.etag as {} as Buffer) = Buffer.from(policy.etag as string);
     }
     const reqOpts = {
       resource: this.name,

test/chunktransformer.ts

@@ -39,6 +39,7 @@ const FakeMutation = {
   }),
 };
 
+// Some-comment
 describe('Bigtable/ChunkTransformer', () => {
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
   let ChunkTransformer: any;