Missing overloads of RDSAuthTokenGenerator.GenerateAuthTokenAsync

[Brads3290]

Describe the bug

Overloads of GenerateAuthToken:

public static string GenerateAuthToken(string hostname, int port, string dbUser)
public static string GenerateAuthToken(RegionEndpoint region, string hostname, int port, string dbUser)
public static string GenerateAuthToken(AWSCredentials credentials, string hostname, int port, string dbUser)
public static string GenerateAuthToken(AWSCredentials credentials, RegionEndpoint region, string hostname, int port, string dbUser)

Overloads of GenerateAuthTokenAsync (only one):

public static async System.Threading.Tasks.Task<string> GenerateAuthTokenAsync(AWSCredentials credentials, RegionEndpoint region, string hostname, int port, string dbUser)

Expected Behavior

Should be able to use the same behaviours for both async and sync.

Current Behavior

As the async overload requires an AWSCredentials object, we currently need a work-around in order to generate an auth token in an async context without providing credentials (as they should be fetched from the environment)

await Task.Run(() => RDSAuthTokenGenerator.GenerateAuthToken(region, options.Host, options.Port, options.Username));

Reproduction Steps

Look in RDSAuthTokenGenerator.cs

Possible Solution

No response

Additional Information/Context

No response

AWS .NET SDK and/or Package version used

AWSSDK.RDS 3.7.301.10

Targeted .NET Platform

.NET 8

Operating System and version

MacOS 13.6.2

[ashishdhingra]

Converting this to feature request since the ask here is to add overloads for async versions to match with sync versions for better developer experience. Needs review with the team.