import type { ProjectContext } from '../../../project';
import { Task } from '../../../task';
import type { OperationSchema } from '../../build-tool';
import type { FirestorePropKey } from '../properties';
import { QueryFilter } from '../utils/types';
export declare class FirestoreCountError extends Error {
    readonly cause?: unknown | undefined;
    readonly _tag: "FirestoreCountError";
    constructor(message: string, cause?: unknown | undefined);
}
export declare const COUNT_DOCUMENTS: "count_documents";
export declare const countDocumentsOp: OperationSchema<FirestorePropKey>;
export interface CountDocumentsArgs {
    collection: string;
    filters?: QueryFilter[];
}
export declare const countDocuments: (ctx: ProjectContext, input: CountDocumentsArgs) => Task<{
    collection: string;
    count: number;
}, import("../../../project").AccessDeniedError | FirestoreCountError>;
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