}
	exactNameIndex := make(map[string]*field, len(fields))
	foldedNameIndex := make(map[string]*field, len(fields))
	for i, field := range fields {
		exactNameIndex[field.name] = &fields[i]
		// For historical reasons, first folded match takes precedence.
		if _, ok := foldedNameIndex[string(foldName(field.nameBytes))]; !ok {
			foldedNameIndex[string(foldName(field.nameBytes))] = &fields[i]
		}
	}