pipe

type LookupField struct {
	From         string `bson:"from"`
	LocalField   string `bson:"localField"`
	ForeignField string `bson:"foreignField"`
	As           string `bson:"as"`
}

type Matcher struct {
	// contains filtered or unexported fields
}

type UnwindField struct {
	Path                       string `json:"path"`
	IncludeArrayIndex          string `json:"includeArrayIndex"`
	PreserveNullAndEmptyArrays bool   `json:"preserveNullAndEmptyArrays"`
}