PRVI GMM epistemic uncertainty

src/main/java/gov/usgs/earthquake/nshmp/gmm/Gmm.java

@@ -1307,6 +1307,12 @@ public enum Gmm {
       UsgsPrviBackbone2025.COEFFS_DATA_ADJUSTMENT,
       UsgsPrviBackbone2025.ActiveCrust.CONSTRAINTS),
 
+  USGS_PRVI_ACTIVE_CRUST_COMBINED_TREE(
+      UsgsPrviBackbone2025.ActiveCrustTotal.class,
+      UsgsPrviBackbone2025.ActiveCrustTotal.NAME,
+      UsgsPrviBackbone2025.COEFFS_DATA_ADJUSTMENT,
+      UsgsPrviBackbone2025.ActiveCrustTotal.CONSTRAINTS),
+
   USGS_PRVI_INTERFACE(
       UsgsPrviBackbone2025.Interface.class,
       UsgsPrviBackbone2025.Interface.NAME,
@@ -1319,6 +1325,12 @@ public enum Gmm {
       UsgsPrviBackbone2025.COEFFS_DATA_ADJUSTMENT,
       UsgsPrviBackbone2025.Interface.CONSTRAINTS),
 
+  USGS_PRVI_INTERFACE_COMBINED_TREE(
+      UsgsPrviBackbone2025.InterfaceTotal.class,
+      UsgsPrviBackbone2025.InterfaceTotal.NAME,
+      UsgsPrviBackbone2025.COEFFS_DATA_ADJUSTMENT,
+      UsgsPrviBackbone2025.InterfaceTotal.CONSTRAINTS),
+
   USGS_PRVI_INTRASLAB(
       UsgsPrviBackbone2025.Slab.class,
       UsgsPrviBackbone2025.Slab.NAME,
@@ -1331,6 +1343,12 @@ public enum Gmm {
       UsgsPrviBackbone2025.COEFFS_DATA_ADJUSTMENT,
       UsgsPrviBackbone2025.Slab.CONSTRAINTS),
 
+  USGS_PRVI_INTRASLAB_COMBINED_TREE(
+      UsgsPrviBackbone2025.SlabTotal.class,
+      UsgsPrviBackbone2025.SlabTotal.NAME,
+      UsgsPrviBackbone2025.COEFFS_DATA_ADJUSTMENT,
+      UsgsPrviBackbone2025.SlabTotal.CONSTRAINTS),
+
   /* Combined: must be declared after any dependent models above. */
 
   /** 2021 Hawaii weight-averaged GMM for deep earthquakes. */