import { Component } from '../Core';
import { ILyricsOptions, IFontOptions } from './Interfaces';
export declare class Lyrics extends Component {
    name: string;
    folderPath: string;
    osbFolderPath: string;
    options: {
        fadeDuration: number;
        opacity: number;
        fontName: string;
        fontSize: number;
        fontScale: number;
        perCharacter: boolean;
        y: number;
        additive: boolean;
        color: {
            r: number;
            g: number;
            b: number;
        };
    };
    private _textureGenerator;
    private _subtitleCollection;
    /**
     * Generate lyrics from a .srt/.vtt/.json file.
     * @param folderPath full path to beatmap folder.
     * @param osbFolderPath relative path to the folder that will be used to save generated text images. For example: `sb/lyrics`.
     * @param subtitlePath full path to the subtitle file. For example, `./lyrics.srt` if your lyrics file is same folder with your script file.
     * @param options Additional options.
     * @param registerFontOptions In case you want to use a non-system font.
     */
    constructor(folderPath: string, osbFolderPath: string, subtitlePath: string, options?: ILyricsOptions, registerFontOptions?: IFontOptions);
    generate(): void;
    private _generatePerChar;
    private _generatePerLine;
}