import type { BinaryWriter } from './binary_writer';
import { QueryProcessingStage } from './packet_types';
export interface QueryParams {
    queryId: string;
    query: string;
    database: string;
    username: string;
    compression: boolean;
    settings?: Record<string, string | number | boolean>;
    stage?: QueryProcessingStage;
}
export declare function writeQueryPacket(writer: BinaryWriter, params: QueryParams): void;
export declare function writePingPacket(writer: BinaryWriter): void;
export declare function writeCancelPacket(writer: BinaryWriter): void;