import { IOptionsService, ITerminalOptions } from 'common/services/Services';
import { IEvent } from 'common/EventEmitter';
export declare const DEFAULT_BELL_SOUND = "data:audio/mp3;base64,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";
export declare const DEFAULT_OPTIONS: Readonly<ITerminalOptions>;
export declare class OptionsService implements IOptionsService {
    serviceBrand: any;
    readonly rawOptions: ITerminalOptions;
    options: ITerminalOptions;
    private _onOptionChange;
    get onOptionChange(): IEvent<string>;
    constructor(options: Partial<ITerminalOptions>);
    private _setupOptions;
    setOption(key: string, value: any): void;
    private _sanitizeAndValidateOption;
    getOption(key: string): any;
}
//# sourceMappingURL=OptionsService.d.ts.map