func expandSliceOfCustomizationAdapterMapping(d *schema.ResourceData) []types.CustomizationAdapterMapping {
	s := d.Get(cKeyPrefix + "." + "network_interface").([]interface{})
	if len(s) < 1 {
		return nil
	}
	result := make([]types.CustomizationAdapterMapping, len(s))
	var v4gwFound, v6gwFound bool
	for i := range s {
		var adapter types.CustomizationIPSettings
		adapter, v4gwFound, v6gwFound = expandCustomizationIPSettings(d, i, !v4gwFound, !v6gwFound)
		obj := types.CustomizationAdapterMapping{
			Adapter: adapter,
		}
		result[i] = obj
	}
	return result
}
func expandSliceOfCustomizationAdapterMapping(d *schema.ResourceData) []types.CustomizationAdapterMapping {
	s := d.Get(cKeyPrefix + "." + "network_interface").([]interface{})
	if len(s) < 1 {
		return nil
	}
	result := make([]types.CustomizationAdapterMapping, len(s))
	var v4gwFound, v6gwFound bool
	for i := range s {
		var adapter types.CustomizationIPSettings
		adapter, v4gwFound, v6gwFound = expandCustomizationIPSettings(d, i, !v4gwFound, !v6gwFound)
		obj := types.CustomizationAdapterMapping{
			Adapter: adapter,
		}
		result[i] = obj
	}
	return result
}
// expandSliceOfCustomizationAdapterMapping reads certain ResourceData keys and
// returns a CustomizationAdapterMapping slice.