import type { CoreData, DocumentOptions } from '../types';
import type { ParamsOf } from 'firebase-functions/v2/core';
import { Change, type DocumentSnapshot, type FirestoreEvent, type QueryDocumentSnapshot } from 'firebase-functions/v2/firestore';
/** Respond only to document creations. */
export declare const onDocumentCreated: <Document extends string = string>(handler: (event: FirestoreEvent<QueryDocumentSnapshot | undefined, ParamsOf<Document>>) => PromiseLike<unknown> | unknown, _options?: DocumentOptions) => (event: FirestoreEvent<QueryDocumentSnapshot | undefined, ParamsOf<Document>>) => PromiseLike<unknown> | unknown;
/** Respond only to document deletions. */
export declare const onDocumentDeleted: <Document extends string = string>(handler: (event: FirestoreEvent<QueryDocumentSnapshot | undefined, ParamsOf<Document>>) => PromiseLike<unknown> | unknown, _options?: DocumentOptions) => (event: FirestoreEvent<QueryDocumentSnapshot | undefined, ParamsOf<Document>>) => PromiseLike<unknown> | unknown;
/** Respond only to document updates. */
export declare const onDocumentUpdated: <Document extends string = string>(handler: (event: FirestoreEvent<Change<QueryDocumentSnapshot> | undefined, ParamsOf<Document>>) => PromiseLike<unknown> | unknown, _options?: DocumentOptions) => (event: FirestoreEvent<Change<QueryDocumentSnapshot> | undefined, ParamsOf<Document>>) => PromiseLike<unknown> | unknown;
/** Respond to all document writes (creates, updates, or deletes). */
export declare const onDocumentWritten: <Document extends string = string>(handler: (event: FirestoreEvent<Change<DocumentSnapshot> | undefined, ParamsOf<Document>>) => PromiseLike<unknown> | unknown, _options?: DocumentOptions) => (event: FirestoreEvent<Change<DocumentSnapshot> | undefined, ParamsOf<Document>>) => PromiseLike<unknown> | unknown;
/** Respond only to document creations. */
export declare const onCreated: <T extends CoreData>(handler: (event: FirestoreEvent<T>) => PromiseLike<unknown> | unknown, _options?: DocumentOptions) => (event: FirestoreEvent<QueryDocumentSnapshot | undefined, ParamsOf<string>>) => unknown;
/** Respond only to document deletions. */
export declare const onDeleted: <T extends CoreData>(handler: (event: FirestoreEvent<T>) => PromiseLike<unknown> | unknown, _options?: DocumentOptions) => (event: FirestoreEvent<QueryDocumentSnapshot | undefined, ParamsOf<string>>) => unknown;
/** Respond only to document updates. */
export declare const onUpdated: <T extends CoreData>(handler: (event: FirestoreEvent<{
    before: T;
    after: T;
}>) => PromiseLike<unknown> | unknown, _options?: DocumentOptions) => (event: FirestoreEvent<Change<QueryDocumentSnapshot> | undefined, ParamsOf<string>>) => unknown;
/** Respond to all document writes (creates, updates, or deletes). */
export declare const onWritten: <T extends CoreData>(handler: (event: FirestoreEvent<{
    before?: T;
    after?: T;
}>) => PromiseLike<unknown> | unknown, _options?: DocumentOptions) => (event: FirestoreEvent<Change<DocumentSnapshot> | undefined, ParamsOf<string>>) => unknown;