import { Scanner, Progress, ScannerFactory, ScannerOptions } from '../scanner.js';
import { Event } from '../../event.js';
/**
 * Sends the output of one scanner to the input of another.
 */
export declare class Pipe implements Scanner {
    private source;
    private dest;
    id: string;
    lastclosed: number;
    private eventQueue;
    private reader;
    constructor(source: Scanner, dest: Scanner, options?: ScannerOptions);
    get complete(): boolean;
    get lastreceived(): number;
    reindex(newIndex: number): void;
    private computeOutputProgress;
    shift(curEvent: Event): Progress;
    static factory(source: ScannerFactory, dest: ScannerFactory): ScannerFactory;
}
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