import { ConstructorOptions, OptionsFields, RangeOrNumber } from './types';
import GlitchedWriter from './index';
export default class Options implements OptionsFields {
    steps: RangeOrNumber;
    interval: RangeOrNumber;
    initialDelay: RangeOrNumber;
    changeChance: number;
    ghostChance: number;
    maxGhosts: number;
    glyphsFromString: boolean;
    oneAtATime: number;
    html: boolean;
    letterize: boolean;
    endless: boolean;
    startFrom: 'matching' | 'previous' | 'erase';
    space: string;
    private ghostCharset;
    private glyphsString;
    private writer;
    constructor(writer: GlitchedWriter, options: ConstructorOptions);
    set glyphs(glyphs: string | string[] | Set<string>);
    set fillSpace(doFillSpace: boolean);
    get stepsLeft(): number;
    get genInterval(): number;
    get genInitDelay(): number;
    get genMaxGhosts(): number;
    get ghost(): string;
    setCharset(): void;
}