@MappedSuperclass
    public static class TaskServiceDocumentFix extends MultiTenantDocument {
    
        // Now this prop is part of the parent non-generic class and is OK
        @Type(JsonBinaryType.class)
        @Column(columnDefinition = "jsonb")
        public ServiceTaskCallback serviceTaskCallback;
    }

    @MappedSuperclass
    public static class TaskServiceDocument<E extends Enum<E>> extends TaskServiceDocumentFix {
    
        // However this does not work
        @Enumerated(EnumType.STRING)
        public E taskSubStage;
    }