func ChangeStream() *ChangeStreamOptions {
	cso := &ChangeStreamOptions{}
	cso.SetFullDocument(Default)
	return cso
}
ChangeStream creates a new ChangeStreamOptions instance.
package options
import (
	"time"
	"go.mongodb.org/mongo-driver/bson/primitive"
)
type ChangeStreamOptions struct {
	BatchSize *int32
	Collation *Collation
	FullDocument *FullDocument
	MaxAwaitTime *time.Duration
	ResumeAfter interface{}
	StartAtOperationTime *primitive.Timestamp
	StartAfter interface{}
}