import { RVDashboardDataSource } from "../AbstractClasses/RVDashboardDataSource";
import { nullableString } from "../types";
/**
 * BigQuery data source
 */
export declare class RVBigQueryDataSource extends RVDashboardDataSource {
    private _projectId;
    /**
     * BigQuery ProjectId
     */
    get projectId(): nullableString;
    set projectId(value: nullableString);
    constructor();
    /** @hidden */
    constructor(json: any);
    /** @hidden */
    toJson(): any;
    /** @hidden */
    getProviderKey(): string;
    /** @hidden */
    getType(): string;
    /** @hidden */
    _getWrapper(): any;
}