func (s *CIService) DescribeDocProcessBuckets(ctx context.Context, opt *DescribeDocProcessBucketsOptions) (*DescribeDocProcessBucketsResult, *Response, error)

BucketsOpt := &cos.DescribeDocProcessBucketsOptions{
    Regions: "ap-shanghai",
}
res, _, err := c.CI.DescribeDocProcessBuckets(context.Background(), BucketsOpt)

type DescribeDocProcessBucketsOptions struct {
    Regions     string
    BucketNames string 
    BucketName  string
    PageNumber  int
    PageSize    int
}

type DescribeDocProcessBucketsResult struct {
    RequestId     string
    TotalCount    int
    PageNumber    int
    PageSize      int
    DocBucketList []DocProcessBucket
}
type DocProcessBucket struct {
    BucketId      string
    Name          string
    Region        string
    CreateTime    string
    AliasBucketId string
}