code: @Override
      public ListMailboxPermissionsResult listMailboxPermissions(ListMailboxPermissionsRequest request) {
          request = beforeClientExecution(request);
          return executeListMailboxPermissions(request);
      }
docs: <p>
  Lists the mailbox permissions associated with a user, group, or resource mailbox.
  </p>
  
  @param listMailboxPermissionsRequest
  @return Result of the ListMailboxPermissions operation returned by the service.
  @throws EntityNotFoundException
  The identifier supplied for the user, group, or resource does not exist in your organization.
  @throws InvalidParameterException
  One or more of the input parameters don't match the service's restrictions.
  @throws OrganizationNotFoundException
  An operation received a valid organization identifier that either doesn't belong or exist in the system.
  @throws OrganizationStateException
  The organization must have a valid state (Active or Synchronizing) to perform certain operations on the
  organization or its members.
  @sample AmazonWorkMail.ListMailboxPermissions
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/workmail-2017-10-01/ListMailboxPermissions"
  target="_top">AWS API Documentation</a>