Read and use backups data to structure tier feature sets.

libsignal-service/src/main/java/org/whispersystems/signalservice/internal/push/SubscriptionsConfiguration.java

@@ -35,6 +35,9 @@ public class SubscriptionsConfiguration {
   @JsonProperty("sepaMaximumEuros")
   private BigDecimal sepaMaximumEuros;
 
+  @JsonProperty("backup")
+  private BackupConfiguration backupConfiguration;
+
   public static class CurrencyConfiguration {
     @JsonProperty("minimum")
     private BigDecimal minimum;
@@ -88,6 +91,31 @@ public class SubscriptionsConfiguration {
     }
   }
 
+  public static class BackupConfiguration {
+    @JsonProperty("levels")
+    private Map<Integer, BackupLevelConfiguration> backupLevelConfigurationMap;
+
+    @JsonProperty("backupFreeTierMediaDays")
+    private int freeTierMediaDays;
+
+    public Map<Integer, BackupLevelConfiguration> getBackupLevelConfigurationMap() {
+      return backupLevelConfigurationMap;
+    }
+
+    public int getFreeTierMediaDays() {
+      return freeTierMediaDays;
+    }
+  }
+
+  public static class BackupLevelConfiguration {
+    @JsonProperty("storageAllowanceBytes")
+    private long storageAllowanceBytes;
+
+    public long getStorageAllowanceBytes() {
+      return storageAllowanceBytes;
+    }
+  }
+
   public Map<String, CurrencyConfiguration> getCurrencies() {
     return currencies;
   }
@@ -99,4 +127,8 @@ public class SubscriptionsConfiguration {
   public BigDecimal getSepaMaximumEuros() {
     return sepaMaximumEuros;
   }
+
+  public BackupConfiguration getBackupConfiguration() {
+    return backupConfiguration;
+  }
 }