func (r *Response) MetadataAsStringSlice() ([]string, error) {
	sl := []string{}
	err := r.MetadataAsStruct(&sl)
	if err != nil {
		return nil, err
	}

	return sl, nil
}
func (r *Response) MetadataAsStringSlice() ([]string, error) {
	sl := []string{}
	err := r.MetadataAsStruct(&sl)
	if err != nil {
		return nil, err
	}

	return sl, nil
}
// MetadataAsStringSlice parses the Response metadata into a slice of string