def list_by_instance_pool(resource_group_name, instance_pool_name, custom_headers:nil)
      first_page = list_by_instance_pool_as_lazy(resource_group_name, instance_pool_name, custom_headers:custom_headers)
      first_page.get_all_items
    end
def list_by_instance_pool(resource_group_name, instance_pool_name, custom_headers:nil)
      first_page = list_by_instance_pool_as_lazy(resource_group_name, instance_pool_name, custom_headers:custom_headers)
      first_page.get_all_items
    end
Gets a list of all managed instances in an instance pool.

 @param resource_group_name [String] The name of the resource group that
 contains the resource. You can obtain this value from the Azure Resource
 Manager API or the portal.
 @param instance_pool_name [String] The instance pool name.
 @param custom_headers [Hash{String => String}] A hash of custom headers that
 will be added to the HTTP request.

 @return [Array<ManagedInstance>] operation results.