  bool CanProceedWithCompute(OpKernelContext* c, CollectiveExecutor* col_exec,
                             const DoneCallback& done) {
    if (col_params_->group.group_size > col_params_->group.members.size()) {
      // This is the first invocation: Finish initializing col_params_.
      // Schedule the `CompleteParamsAsync` call on a work queue that can handle
      // blocking work because it's not guaranteed that this call cannot block.
      c->collective_executor()->RunClosure([this, c, col_exec, done]() {
        VLOG(1) << "CollectiveOpKernel CompleteParams for collective "
                << col_params_->name << " device " << c->device()->name()
                << " group " << col_params_->group.group_key << " instance "
                << col_params_->instance.instance_key;
        col_exec->CompleteParamsAsync(
            c->device()->attributes(), col_params_, c->cancellation_manager(),
            [this, c, done](const Status& s) {
              if (s.ok()) {
                col_params_->instance.impl_details.dependencies = dependencies_;
                ComputeAsync(c, done);
              } else {
                c->SetStatus(s);
                done();
              }
            });
      });
      return false;
    }
    return true;
  }
  bool CanProceedWithCompute(OpKernelContext* c, CollectiveExecutor* col_exec,
                             const DoneCallback& done) {
    if (col_params_->group.group_size > col_params_->group.members.size()) {
       
       
       
      c->collective_executor()->RunClosure([this, c, col_exec, done]() {
        VLOG(1) << "CollectiveOpKernel CompleteParams for collective "
                << col_params_->name << " device " << c->device()->name()
                << " group " << col_params_->group.group_key << " instance "
                << col_params_->instance.instance_key;
        col_exec->CompleteParamsAsync(
            c->device()->attributes(), col_params_, c->cancellation_manager(),
            [this, c, done](const Status& s) {
              if (s.ok()) {
                col_params_->instance.impl_details.dependencies = dependencies_;
                ComputeAsync(c, done);
              } else {
                c->SetStatus(s);
                done();
              }
            });
      });
      return false;
    }
    return true;
  }