import { Timestamp } from './alias';
import { MetaType } from './metaTypeCreator';
import { StrictPick } from './utils';
declare const JSONTimestampSymbol: unique symbol;
declare const JSONGeoPointSymbol: unique symbol;
declare const JSONDocumentReferenceSymbol: unique symbol;
type JSONTimestampSymbol = typeof JSONTimestampSymbol;
type JSONGeoPointSymbol = typeof JSONGeoPointSymbol;
type JSONDocumentReferenceSymbol = typeof JSONDocumentReferenceSymbol;
export declare class JSON<T> {
    protected Firelord_JSON_Do_Not_Access?: T;
}
export interface JSONTimestamp extends StrictPick<Timestamp, 'nanoseconds' | 'seconds'>, JSON<JSONTimestampSymbol> {
}
export interface JSONGeoPoint extends JSON<JSONGeoPointSymbol> {
    latitude: number;
    longitude: number;
}
export interface JSONDocumentReference<T extends MetaType> extends JSON<JSONDocumentReferenceSymbol> {
}
export {};