import { type IXmlWriter } from "./xml.builder.js";
/** */
export type ByteSink = {
    push(chunk: Uint8Array, final?: boolean): void;
};
/** */
export declare class Utf8XmlWriterToBytes implements IXmlWriter {
    private readonly _sink;
    private readonly _opts;
    /** */
    count: number;
    private _encoder;
    private _pending;
    private _pendingChars;
    constructor(_sink: ByteSink, _opts?: {
        flushChars?: number;
    });
    /**
     * @param data
     * @returns
     */
    write(...data: string[]): IXmlWriter;
    /**
     * @returns
     */
    flush(): this;
    /**
     */
    finish(): void;
    /**
     */
    clear(): void;
}