/// <reference types="node" />
/// <reference types="node" />
import { Transform, TransformCallback } from "node:stream";
import { Logger } from "@giancosta86/unified-logging";
export declare const PAGE_BATCH_PROCESSED_EVENT = "page_batch_processed";
export declare type FrenchTransformOptions = Readonly<{
    pageBatchSize?: number;
    highWaterMark?: number;
    signal?: AbortSignal;
    logger?: Logger;
}>;
export declare class FrenchTransform extends Transform {
    private readonly logger?;
    private readonly pageBatchSize;
    private processedPages;
    private readonly textBuffer;
    private bufferingText;
    private pageContext;
    private posContext?;
    private saxError?;
    private readonly saxStream;
    constructor(options?: FrenchTransformOptions);
    _transform(chunk: unknown, encoding: BufferEncoding, callback: TransformCallback): void;
    _flush(callback: TransformCallback): void;
}
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