import type { SocketManager } from './socket_manager';
import type { ClientHelloParams } from '../protocol/handshake';
import type { QueryParams } from '../protocol/query_packet';
import type { Block } from '../protocol/data_packet';
import type { ColumnWriter } from '../columns/column';
export declare class PacketWriter {
    private socket;
    private reusableWriter;
    constructor(socket: SocketManager);
    sendHello(params: ClientHelloParams): void;
    sendAddendum(): void;
    sendPing(): void;
    sendCancel(): void;
    sendQuery(params: QueryParams): void;
    sendDataBlock(block: Block, columnWriters: ColumnWriter[]): void;
    sendCompressedDataBlock(block: Block, columnWriters: ColumnWriter[]): void;
    sendEmptyBlock(): void;
}