import type { DocumentData, SetOptions, TransactionOptions } from './firestore.js';
import { AggregateField, AggregateQuerySnapshot, CollectionReference, DocumentReference, DocumentSnapshot, Firestore, Query, QuerySnapshot, Transaction, WriteBatch } from './firestore.js';
import { FieldPath } from './field-path.js';
import { Filter } from './filter.js';
import { FieldValue } from './field-value.js';
import type { OrderDirection, WhereOp } from './rest/query-encoding.js';
export type Unsubscribe = () => void;
export type QueryConstraint<T extends DocumentData = DocumentData> = {
    _apply(query: Query<T>): Query<T>;
};
export type QueryFilterConstraint<T extends DocumentData = DocumentData> = QueryConstraint<T> & {
    _asFilter(): Filter;
};
export declare function doc<T extends DocumentData = DocumentData>(parent: Firestore | CollectionReference<T> | DocumentReference<T>, ...pathSegments: string[]): DocumentReference<T>;
export declare function collection<T extends DocumentData = DocumentData>(parent: Firestore | DocumentReference<T> | CollectionReference<T>, ...pathSegments: string[]): CollectionReference<T>;
export declare function getDoc<T extends DocumentData = DocumentData>(ref: DocumentReference<T>): Promise<DocumentSnapshot<T>>;
export declare function getDocs<T extends DocumentData = DocumentData>(query: Query<T>): Promise<QuerySnapshot<T>>;
export declare function getCountFromServer<T extends DocumentData = DocumentData>(query: Query<T>): Promise<AggregateQuerySnapshot>;
export declare function getAggregateFromServer<T extends DocumentData = DocumentData>(query: Query<T>, aggregations: Record<string, AggregateField>): Promise<AggregateQuerySnapshot>;
export declare function setDoc<T extends DocumentData = DocumentData>(ref: DocumentReference<T>, data: T, options?: SetOptions): Promise<void>;
export declare function addDoc<T extends DocumentData = DocumentData>(ref: CollectionReference<T>, data: T): Promise<DocumentReference<T>>;
export declare function updateDoc<T extends DocumentData = DocumentData>(ref: DocumentReference<T>, data: Record<string, unknown>): Promise<void>;
export declare function updateDoc<T extends DocumentData = DocumentData>(ref: DocumentReference<T>, field: string | FieldPath, value: unknown, ...moreFieldsAndValues: unknown[]): Promise<void>;
export declare function deleteDoc<T extends DocumentData = DocumentData>(ref: DocumentReference<T>): Promise<void>;
export declare function writeBatch(firestore: Firestore): WriteBatch;
export declare function runTransaction<T>(firestore: Firestore, updateFn: (tx: Transaction) => Promise<T>, options?: TransactionOptions): Promise<T>;
export declare function query<T extends DocumentData = DocumentData>(base: Query<T>, ...constraints: Array<QueryConstraint<T>>): Query<T>;
export declare function where<T extends DocumentData = DocumentData>(fieldPath: string | FieldPath, op: WhereOp, value: unknown): QueryFilterConstraint<T>;
export declare function or<T extends DocumentData = DocumentData>(...filters: Array<QueryFilterConstraint<T>>): QueryFilterConstraint<T>;
export declare function and<T extends DocumentData = DocumentData>(...filters: Array<QueryFilterConstraint<T>>): QueryFilterConstraint<T>;
export declare function orderBy<T extends DocumentData = DocumentData>(fieldPath: string | FieldPath, direction?: OrderDirection): QueryConstraint<T>;
export declare function limit<T extends DocumentData = DocumentData>(n: number): QueryConstraint<T>;
export declare function limitToLast<T extends DocumentData = DocumentData>(n: number): QueryConstraint<T>;
export declare function startAt<T extends DocumentData = DocumentData>(snapshot: DocumentSnapshot<T>): QueryConstraint<T>;
export declare function startAt<T extends DocumentData = DocumentData>(...fieldValues: unknown[]): QueryConstraint<T>;
export declare function startAfter<T extends DocumentData = DocumentData>(snapshot: DocumentSnapshot<T>): QueryConstraint<T>;
export declare function startAfter<T extends DocumentData = DocumentData>(...fieldValues: unknown[]): QueryConstraint<T>;
export declare function endAt<T extends DocumentData = DocumentData>(snapshot: DocumentSnapshot<T>): QueryConstraint<T>;
export declare function endAt<T extends DocumentData = DocumentData>(...fieldValues: unknown[]): QueryConstraint<T>;
export declare function endBefore<T extends DocumentData = DocumentData>(snapshot: DocumentSnapshot<T>): QueryConstraint<T>;
export declare function endBefore<T extends DocumentData = DocumentData>(...fieldValues: unknown[]): QueryConstraint<T>;
export declare function documentId(): FieldPath;
export declare function count(): AggregateField;
export declare function sum(fieldPath: string | FieldPath): AggregateField;
export declare function average(fieldPath: string | FieldPath): AggregateField;
export declare function serverTimestamp(): FieldValue;
export declare function deleteField(): FieldValue;
export declare function arrayUnion(...elements: unknown[]): FieldValue;
export declare function arrayRemove(...elements: unknown[]): FieldValue;
export declare function increment(n: number): FieldValue;
export declare function onSnapshot<T extends DocumentData = DocumentData>(ref: DocumentReference<T>, onNext: (snapshot: DocumentSnapshot<T>) => void, onError?: (error: unknown) => void): Unsubscribe;
export declare function onSnapshot<T extends DocumentData = DocumentData>(query: Query<T>, onNext: (snapshot: QuerySnapshot<T>) => void, onError?: (error: unknown) => void): Unsubscribe;
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