import { OptionsParameter } from './options.parameter';
import { Mapper } from '../types';
export interface AddOptionsParameter<T> extends OptionsParameter<T> {
    /**
     * @param mapper convert data which set to firestore to something, if defined
     * @deprecated it will be removed at ^2.0.0~. Use FirestoreMapper, please.
     *   - type: <T>(data: { [key: string]: any }) => T
     */
    mapper?: Mapper<T>;
}