code: @InternalApi
    public com.google.bigtable.admin.v2.CreateAppProfileRequest toProto(String projectId) {
      String name = NameUtil.formatInstanceName(projectId, instanceId);
  
      return proto.setParent(name).build();
    }
docs: Creates the request protobuf. This method is considered an internal implementation detail and
  not meant to be used by applications.