/**
 *
 * This code was ported from the dash.js project at:
 *   https://github.com/Dash-Industry-Forum/dash.js/blob/development/externals/cea608-parser.js
 *   https://github.com/Dash-Industry-Forum/dash.js/commit/8269b26a761e0853bb21d78780ed945144ecdd4d#diff-71bc295a2d6b6b7093a1d3290d53a4b2
 *
 * The original copyright appears below:
 *
 * The copyright in this software is being made available under the BSD License,
 * included below. This software may be subject to other third party and contributor
 * rights, including patent rights, and no such rights are granted under this license.
 *
 * Copyright (c) 2015-2016, DASH Industry Forum.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *  1. Redistributions of source code must retain the above copyright notice, this
 *  list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *  this list of conditions and the following disclaimer in the documentation and/or
 *  other materials provided with the distribution.
 *  2. Neither the name of Dash Industry Forum nor the names of its
 *  contributors may be used to endorse or promote products derived from this software
 *  without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY
 *  EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 *  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 *  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 *  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 *  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 *  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *  POSSIBILITY OF SUCH DAMAGE.
 */
import { CaptionsLogger } from './CaptionsLogger.js';
import type { PACData } from './PACData.js';
import type { PenStyles } from './PenStyles.js';
import { Row } from './Row.js';
/**
 * Keep a CTA-608 screen of 32x15 styled characters
 *
 * @group CTA-608
 * @beta
 */
export declare class CaptionScreen {
    rows: Row[];
    private currRow;
    private nrRollUpRows;
    private lastOutputScreen;
    private logger;
    constructor(logger?: CaptionsLogger);
    reset(): void;
    equals(other: CaptionScreen): boolean;
    copy(other: CaptionScreen): void;
    isEmpty(): boolean;
    backSpace(): void;
    clearToEndOfRow(): void;
    /**
     * Insert a character (without styling) in the current row.
     */
    insertChar(char: number): void;
    setPen(styles: Partial<PenStyles>): void;
    moveCursor(relPos: number): void;
    setCursor(absPos: number): void;
    setPAC(pacData: PACData): void;
    /**
     * Set background/extra foreground, but first do back_space, and then insert space (backwards compatibility).
     */
    setBkgData(bkgData: Partial<PenStyles>): void;
    setRollUpRows(nrRows: number | null): void;
    rollUp(): void;
    /**
     * Get all non-empty rows with as unicode text.
     */
    getDisplayText(asOneRow?: boolean): string;
    getTextAndFormat(): Row[];
}
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