// Index sets the index to use
Index sets the index to use
// Index sets the index to use
func (s *Builder) Index(index string) *Builder {
	if s.err != nil {
		return s
	}
	s.index = index
	return s
}
func ( s * Builder ) Index ( index string ) * Builder { if s . err != nil { return s } s . index = index return s }
Index sets the index to use
Index sets the index to use