func validateSASLConfig(c *kafka.SASLConfig) error {
	if c == nil {
		return nil
	}

	if c.Username == "" {
		return fmt.Errorf("auth.sasl.username is required")
	}

	if c.Password == "" {
		return fmt.Errorf("auth.sasl.password is required")
	}

exporters:
  kafka/example:
    auth:
      sasl:
        username: "foo" # Not used
        password: "bar" # Not used
        mechanism: "AWS_MSK_IAM_OAUTHBEARER"
        aws_msk:
            region: us-east-1