docs: private static void checkSchemaTypeId(VertexIDType type, long count) {
          Preconditions.checkArgument(VertexIDType.Schema.is(type.suffix()),"Expected schema vertex but got: %s",type);
          Preconditions.checkArgument(type.isProper(),"Expected proper type but got: %s",type);
          Preconditions.checkArgument(count > 0 && count < SCHEMA_COUNT_BOUND,
                  "Invalid id [%s] for type [%s] bound: %s", count, type, SCHEMA_COUNT_BOUND);
      }