if p.RetainVersions < 0 {
		return BatchJobYamlErr{
			line: p.line,
			col:  p.col,
			msg:  "retainVersions must be >= 0",
		}
	}
	return nil
}

// BatchJobExpireFilter holds all the filters currently supported for batch replication
type BatchJobExpireFilter struct {
	line, col     int
	OlderThan     time.Duration       `yaml:"olderThan,omitempty" json:"olderThan"`