S3 Sink connector AWS Authentication

Kafka Connect Self-Managed Connectors
1

Hey, i am using Service account for the worker nodes, which provider class i should use to make the connector pick the environmental variables AWS_WEB_IDENTITY_TOKEN_FILE, AWS_ROLE_ARN to authenticate and flow the messages to s3?

  topics: testopic
  errors.tolerance: all
  s3.bucket.name: testssbucket
  s3.region: ap-southeast-1
  format.class: io.confluent.connect.s3.format.json.JsonFormat
  topics.dir: root_key
  # s3.aws.access.key.id: 
  # s3.aws.secret.access.key: 
  flush.size: 1
  storage.class: io.confluent.connect.s3.storage.S3Storage
  s3.part.size: 994288000
  schema.compatibility: NONE
  s3.credentials.provider.class: com.amazonaws.auth.InstanceProfileCredentialsProvider
  schemas.enable: true
  key.converter.schemas.enable: false
  value.converter.schemas.enable: false