import { Logger } from '@n8n/backend-common';
import { GlobalConfig } from '@n8n/config';
import { SettingsRepository } from '@n8n/db';
import { Cipher } from 'n8n-core';
import type { ICredentialDataDecryptedObject } from 'n8n-workflow';
import { CredentialTypes } from './credential-types';
import type { ICredentialsOverwrite } from './interfaces';
export declare class CredentialsOverwrites {
    private readonly globalConfig;
    private readonly credentialTypes;
    private readonly logger;
    private readonly settings;
    private readonly cipher;
    private overwriteData;
    private resolvedTypes;
    constructor(globalConfig: GlobalConfig, credentialTypes: CredentialTypes, logger: Logger, settings: SettingsRepository, cipher: Cipher);
    init(): Promise<void>;
    private reloading;
    reloadOverwriteCredentials(): Promise<void>;
    loadOverwriteDataFromDB(reloadFrontend: boolean): Promise<void>;
    private broadcastReloadOverwriteCredentialsCommand;
    saveOverwriteDataToDB(overwriteData: ICredentialsOverwrite, broadcast?: boolean): Promise<void>;
    getOverwriteEndpointMiddleware(): ((req: import("express").Request, res: import("express").Response, next: import("express").NextFunction) => void) | null;
    setPlainData(overwriteData: ICredentialsOverwrite): void;
    setData(overwriteData: ICredentialsOverwrite, storeInDb?: boolean, reloadFrontend?: boolean): Promise<void>;
    private reloadFrontendService;
    applyOverwrite(type: string, data: ICredentialDataDecryptedObject): ICredentialDataDecryptedObject;
    getOverwrites(type: string): ICredentialDataDecryptedObject | undefined;
    private get;
    getAll(): ICredentialsOverwrite;
}