import { MetaType } from './metaTypeCreator';
import { Firestore } from './alias';
export interface DocumentReference<T extends MetaType> {
    /** The type of this Firestore reference. */
    readonly type: 'document';
    /**
     * The {@link Firestore} instance the document is in.
     * This is useful for performing transactions, for example.
     */
    readonly firestore: Firestore;
    /**
     * The document's identifier within its collection.
     */
    get id(): T['docID'];
    /**
     * A string representing the path of the referenced document (relative
     * to the root of the database).
     */
    get path(): T['docPath'];
    /**
     * The collection this `DocumentReference` belongs to.
     */
    get parent(): CollectionReference<T>;
}
export interface CollectionReference<T extends MetaType> extends Query<T> {
    /** The type of this Firestore reference. */
    readonly type: 'collection';
    /** The collection's identifier. */
    get id(): T['docID'];
    /**
     * A string representing the path of the referenced collection (relative
     * to the root of the database).
     */
    get path(): T['docPath'];
    /**
     * A reference to the containing `DocumentReference` if this is a
     * subcollection. If this isn't a subcollection, the reference is null.
     */
    get parent(): T['parent'];
}
export interface Query<T extends MetaType> {
    /** The type of this Firestore reference. */
    readonly type: 'query' | 'collection';
    /**
     * The `Firestore` instance for the Firestore database (useful for performing
     * transactions, etc.).
     */
    readonly firestore: Firestore;
}