import { Connection } from '../connections';
export interface Table {
    name: string;
    type?: string;
    rowCount?: number | null;
}
export interface ColumnInfo {
    name: string;
    type: string;
    nullable: boolean;
}
export interface TableData {
    columns: string[];
    rows: any[];
    pagination: {
        page: number;
        limit: number;
        totalRows: number;
        totalPages: number;
        startIdx: number;
        endIdx: number;
    };
}
export interface Connector {
    type: string;
    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 ConnectorRegistry {
    private static connectors;
    static register(connector: Connector): void;
    static get(type: string): Connector;
}