def retrieve_employee(employee_id, opts = {})
      data, _status_code, _headers = retrieve_employee_with_http_info(employee_id, opts)
      return data
    end
def retrieve_employee(employee_id, opts = {})
      data, _status_code, _headers = retrieve_employee_with_http_info(employee_id, opts)
      return data
    end
RetrieveEmployee
 Provides the details for a single employee.
 @param employee_id The employee&#39;s ID.
 @param [Hash] opts the optional parameters
 @return [V1Employee]