client.rb in google-cloud-compute-v1-2.16.0

- old
+ new

@@ -785,9 +785,16 @@
               #    *  (`Google::Auth::Credentials`) A googleauth credentials object
               #       (see the [googleauth docs](https://rubydoc.info/gems/googleauth/Google/Auth/Credentials))
               #    *  (`Signet::OAuth2::Client`) A signet oauth2 client object
               #       (see the [signet docs](https://rubydoc.info/gems/signet/Signet/OAuth2/Client))
               #    *  (`nil`) indicating no credentials
+              #
+              #   Warning: If you accept a credential configuration (JSON file or Hash) from an
+              #   external source for authentication to Google Cloud, you must validate it before
+              #   providing it to a Google API client library. Providing an unvalidated credential
+              #   configuration to Google APIs can compromise the security of your systems and data.
+              #   For more information, refer to [Validate credential configurations from external
+              #   sources](https://cloud.google.com/docs/authentication/external/externally-sourced-credentials).
               #   @return [::Object]
               # @!attribute [rw] scope
               #   The OAuth scopes
               #   @return [::Array<::String>]
               # @!attribute [rw] lib_name