line, col int
	Key       string `yaml:"key" json:"key"`
	Value     string `yaml:"value" json:"value"`
}

var _ yaml.Unmarshaler = &BatchJobKV{}

// UnmarshalYAML - BatchJobKV extends default unmarshal to extract line, col information.
func (kv *BatchJobKV) UnmarshalYAML(val *yaml.Node) error {
	type jobKV BatchJobKV
	var tmp jobKV
	err := val.Decode(&tmp)
	if err != nil {
		return err
	}
	*kv = BatchJobKV(tmp)

type BatchJobPrefix []string

var _ yaml.Unmarshaler = &BatchJobPrefix{}

// UnmarshalYAML - to support prefix field yaml unmarshalling with string or slice of strings
func (b *BatchJobPrefix) UnmarshalYAML(value *yaml.Node) error {
	// try slice first
	tmpSlice := []string{}
	if err := value.Decode(&tmpSlice); err == nil {
		*b = tmpSlice
		return nil