code: @Override
      public GetContainerPolicyResult getContainerPolicy(GetContainerPolicyRequest request) {
          request = beforeClientExecution(request);
          return executeGetContainerPolicy(request);
      }
docs: <p>
  Retrieves the access policy for the specified container. For information about the data that is included in an
  access policy, see the <a href="https://aws.amazon.com/documentation/iam/">AWS Identity and Access Management
  User Guide</a>.
  </p>
  
  @param getContainerPolicyRequest
  @return Result of the GetContainerPolicy operation returned by the service.
  @throws ContainerInUseException
  The container that you specified in the request already exists or is being updated.
  @throws ContainerNotFoundException
  The container that you specified in the request does not exist.
  @throws PolicyNotFoundException
  The policy that you specified in the request does not exist.
  @throws InternalServerErrorException
  The service is temporarily unavailable.
  @sample AWSMediaStore.GetContainerPolicy
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/mediastore-2017-09-01/GetContainerPolicy" target="_top">AWS
  API Documentation</a>