import { DEFAULT_DELIMITER, DEFAULT_QUOTATION } from '../../core/constants';
import { CSVBinary, ParseBinaryOptions, ParseOptions } from '../../core/types';
import { InternalEngineConfig } from '../config/InternalEngineConfig';
import { WorkerStrategy } from './WorkerStrategy';
import { WorkerSession } from '../../worker/helpers/WorkerSession';
/**
 * Worker strategy selector.
 *
 * Selects and executes the appropriate worker communication strategy based on engine configuration.
 * Handles fallback from stream-transfer to message-streaming if needed.
 *
 * @internal
 */
export declare class WorkerStrategySelector {
    private strategies;
    constructor();
    /**
     * Register a worker strategy.
     */
    register(strategy: WorkerStrategy): void;
    /**
     * Execute with the appropriate strategy based on engine configuration.
     *
     * @param input - Input data
     * @param options - Parse options
     * @param session - Worker session (can be null)
     * @param engineConfig - Engine configuration
     * @returns Async iterable iterator of parsed records
     */
    execute<T, Header extends ReadonlyArray<string> = readonly string[], Delimiter extends string = DEFAULT_DELIMITER, Quotation extends string = DEFAULT_QUOTATION>(input: string | CSVBinary | ReadableStream<string>, options: ParseOptions<Header, Delimiter, Quotation> | ParseBinaryOptions<Header, Delimiter, Quotation> | undefined, session: WorkerSession | null, engineConfig: InternalEngineConfig): AsyncIterableIterator<T>;
}
/**
 * Execute parsing with worker strategy.
 *
 * @internal
 */
export declare function executeWithWorkerStrategy<T, Header extends ReadonlyArray<string> = readonly string[], Delimiter extends string = DEFAULT_DELIMITER, Quotation extends string = DEFAULT_QUOTATION>(input: string | CSVBinary | ReadableStream<string>, options: ParseOptions<Header, Delimiter, Quotation> | ParseBinaryOptions<Header, Delimiter, Quotation> | undefined, session: WorkerSession | null, engineConfig: InternalEngineConfig): AsyncIterableIterator<T>;
/**
 * Register a custom worker strategy.
 *
 * @internal
 */
export declare function registerWorkerStrategy(strategy: WorkerStrategy): void;