[Newtonsoft.Json.JsonProperty(PropertyName="properties.earliestRestoreDate")]
public DateTime? EarliestRestoreDate { get; set; }

[<Newtonsoft.Json.JsonProperty(PropertyName="properties.earliestRestoreDate")>]
member this.EarliestRestoreDate : Nullable<DateTime> with get, set

Public Property EarliestRestoreDate As Nullable(Of DateTime)