/// <reference types="node" />
import IOBuffer from './iobuffer';
import buffer from 'buffer';
/**
 * RequestBuilder is the class that build requests
 */
declare class RequestBuilder {
    static encodeString(str: string): buffer.Buffer;
    /**
     * Builds a request to execute a query
     *
     * @param query the query string to execute
     * @returns the encoded request
     */
    static run(query: string): IOBuffer;
    static catalog(): IOBuffer;
    static cancel(workerIndex: number, cancellationToken: string): IOBuffer;
}
export default RequestBuilder;