import { type MethodCode } from "../compression.ts";
/**
 * Handles encoding and writing ClickHouse protocol packets.
 * Uses optimized BufferWriter internally.
 */
export declare class StreamingWriter {
    private writer;
    constructor(initialCapacity?: number);
    writeVarInt(value: bigint | number): void;
    writeString(str: string): void;
    writeU8(v: number): void;
    writeU32LE(v: number): void;
    writeU64LE(v: bigint): void;
    writeI32LE(v: number): void;
    flush(): Uint8Array;
    encodeHello(database: string, user: string, pass: string): Uint8Array;
    /**
     * Encode the addendum packet sent after receiving ServerHello.
     * @param revision - Negotiated protocol revision
     */
    encodeAddendum(revision: bigint): Uint8Array;
    encodeQuery(qid: string, query: string, revision: bigint, settings?: Record<string, unknown>, compression?: boolean, params?: Record<string, unknown>): Uint8Array;
    encodeData(tableName: string, rowsCount: number, columns: {
        name: string;
        type: string;
        data: Uint8Array;
    }[], revision: bigint, compress?: boolean, method?: MethodCode): Uint8Array;
    private encodeDataBlockContent;
    encodeCancel(): Uint8Array;
    encodePing(): Uint8Array;
}
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