import type { IPicGo } from '../../../types';
import type { IE2ERequestFields, ISyncConfigResponse } from '../../ConfigSyncManager/types';
export interface IUpdateConfigResult {
    success: boolean;
    version: number;
    conflict?: boolean;
}
export declare class ConfigService {
    private readonly client;
    private readonly ctx;
    private appType;
    constructor(ctx: IPicGo);
    fetchConfig(): Promise<ISyncConfigResponse | null>;
    updateConfig(configStr: string, baseVersion: number, e2eFields?: IE2ERequestFields): Promise<IUpdateConfigResult>;
}