Reimplement GWT assay plate designer in React

assay/api-src/org/labkey/api/assay/plate/Plate.java

@@ -66,11 +66,11 @@ public interface Plate extends PropertySet, Identifiable
 
     @Nullable WellGroup getWellGroup(int rowId);
 
-    @NotNull List<WellGroup> getWellGroups();
+    @NotNull List<? extends WellGroup> getWellGroups();
 
-    @NotNull List<WellGroup> getWellGroups(Position position);
+    @NotNull List<? extends WellGroup> getWellGroups(Position position);
 
-    @NotNull List<WellGroup> getWellGroups(WellGroup.Type type);
+    @NotNull List<? extends WellGroup> getWellGroups(WellGroup.Type type);
 
     @NotNull Map<WellGroup.Type, Map<String, WellGroup>> getWellGroupMap();
 

assay/api-src/org/labkey/api/assay/plate/PlateService.java

@@ -156,7 +156,7 @@ static PlateService get()
      */
     @Nullable Plate getPlate(ContainerFilter cf, Long plateSetId, Object plateIdentifier);
 
-    @NotNull List<Plate> getPlates(Container container);
+    @NotNull List<? extends Plate> getPlates(Container container);
 
     /**
      * Gets the plate set by ID

assay/api-src/org/labkey/api/assay/plate/PlateSet.java

@@ -26,7 +26,7 @@ public interface PlateSet extends Identifiable
 
     boolean isTemplate();
 
-    List<Plate> getPlates();
+    List<? extends Plate> getPlates();
 
     PlateSetType getType();