import { IGetDocumentsOptions } from "../../../web/database/firestore/types";
/**
 * @function getFieldSummation
 * Get summation of fields in matched documents
 * @param {string} collection - Firestore collection name
 * @param {string} aggregateField - Field to aggregate
 * @param {object} options - Query options
 * @returns {Promise<number>}
 */
export default function getFieldSummation(collection: string, aggregateField: string, options?: IGetDocumentsOptions): Promise<number>;
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