import { NowikiBaseToken } from './base';
import type { Config } from '../../base';
import type { Token } from '../../internal';
import type { SyntaxBase } from '../../mixin/syntax';
export interface DoubleUnderscoreToken extends SyntaxBase {
}
/**
 * behavior switch
 *
 * 状态开关
 */
export declare abstract class DoubleUnderscoreToken extends NowikiBaseToken {
    #private;
    readonly name: string;
    get type(): 'double-underscore';
    /**
     * @param word 状态开关名
     * @param sensitive 是否固定大小写
     * @param fullWidth 是否为全角下划线
     */
    constructor(word: string, sensitive: boolean, fullWidth: boolean, config: Config, accum?: Token[]);
    cloneNode(): this;
}