NewTencentClient returns a minio.Client which is compatible for tencent COS.

NewWorkerPool build a worker pool, rps 0 is unlimited, retry 0 will not retry.

CredentialProvider implements "github.com/minio/minio-go/v7/pkg/credentials".Provider also implements transport.

WorkerPool a pool that can control the total amount and rate of concurrency.

Credential is defined to mock tencent credential.Credentials go:generate mockery --name=Credential --with-expecter.