anchor.diff:  							Optional:      true,
   							Computed:      true,
   							ConflictsWith: []string{"update_policy.0.max_surge_percent"},
  +							Description:   `The maximum number of instances that can be created above the specified targetSize during the update process. Conflicts with max_surge_percent. If neither is set, defaults to 1`,
   						},
   
   						"max_surge_percent": {
  
positive.code: 							Optional:      true,
  							ConflictsWith: []string{"update_policy.0.max_surge_fixed"},
  							ValidateFunc:  validation.IntBetween(0, 100),
  						},
  
  						"max_unavailable_fixed": {
  
negative.code: 							Default:      "NEVER",
  							Optional:     true,
  							ValidateFunc: validation.StringInSlice([]string{"NEVER", "ON_PERMANENT_INSTANCE_DELETION"}, true),
  							Description:  `A value that prescribes what should happen to the stateful disk when the VM instance is deleted. The available options are NEVER and ON_PERMANENT_INSTANCE_DELETION. NEVER detatch the disk when the VM is deleted, but not delete the disk. ON_PERMANENT_INSTANCE_DELETION will delete the stateful disk when the VM is permanently deleted from the instance group. The default is NEVER.`,
  						},
  					},
  				},
  