import * as BigQuery from '@google-cloud/bigquery';
/**
 * Connecting to the given Firebase project.
 *
 * @param {JSON} serviceAccountFile
 * @public
 */
export declare function setFirebaseConfig(serviceAccountFile: any): void;
/**
 * Connecting to the given BigQuery project.
 *
 * @param {JSON} serviceAccountFile
 * @public
 */
export declare function setBigQueryConfig(serviceAccountFile: any): void;
/**
 * Creating a BigQuery dataset.
 * Creating the tables with the correct schema if the table doesn't already exist.
 *
 * @public
 */
export declare function createBigQueryTables(): Promise<BigQuery.TableResponse | undefined>;
/**
 * Deletes all the given tables.
 *
 * @public
 */
export declare function deleteBigQueryTables(): Promise<[import("teeny-request").Response<any>] | undefined>;
/**
 * Runs through the given QuerySnapshot and converts and copies it to an array.
 * Inserts the array into a BigQuery table with the given collectionName.
 *
 * @param {boolean} [verbose = false]
 * @returns {Promise<Number>}
 * @public
 */
export declare function copyToBigQuery(verbose?: boolean): Promise<void>;