import { Connector, Table, TableData, ColumnInfo } from '../index';
import { Connection } from '../../connections';
export declare class BigQueryConnector implements Connector {
    type: string;
    private createClient;
    test(connection: Connection): Promise<boolean>;
    getTables(connection: Connection): Promise<Table[]>;
    getData(connection: Connection, tableName: string, page: number, limit: number): Promise<TableData>;
    getSchema(connection: Connection, tableName: string): Promise<ColumnInfo[]>;
    getSnippet(connection: Connection, lang: string): string;
    executeQuery(connection: Connection, query: string): Promise<any[]>;
}
export declare class SnowflakeConnector implements Connector {
    type: string;
    private createConnection;
    private executeInternal;
    executeQuery(connection: Connection, query: string): Promise<any[]>;
    test(connection: Connection): Promise<boolean>;
    getTables(connection: Connection): Promise<Table[]>;
    getData(connection: Connection, tableName: string, page: number, limit: number): Promise<TableData>;
    getSchema(connection: Connection, tableName: string): Promise<ColumnInfo[]>;
    getSnippet(connection: Connection, lang: string): string;
}