import { Disposable } from "@codingame/monaco-vscode-api/vscode/vs/base/common/lifecycle";
import { IObservable } from "@codingame/monaco-vscode-api/vscode/vs/base/common/observable";
import { IConfigurationService } from "@codingame/monaco-vscode-api/vscode/vs/platform/configuration/common/configuration.service";
import { IChatLayoutService } from "@codingame/monaco-vscode-api/vscode/vs/workbench/contrib/chat/common/widget/chatLayoutService.service";
export declare class ChatLayoutService extends Disposable implements IChatLayoutService {
    readonly _serviceBrand: undefined;
    readonly fontFamily: IObservable<string | null>;
    readonly fontSize: IObservable<number>;
    constructor(configurationService: IConfigurationService);
}