import { IExecuteFunctions, INodeExecutionData, INodeType, INodeTypeDescription } from "n8n-workflow";
export declare class ZaloLoginByQr implements INodeType {
    description: INodeTypeDescription;
    static createdCredentials: Array<{
        credentialId: string;
        customerId?: string;
        createdAt?: string;
    }>;
    private static readonly CREDENTIALS_FILE_PATH;
    static saveCredentialsToFile(): void;
    static loadCredentialsFromFile(): void;
    static saveDataUserToFile(userData: any): void;
    static loadDataUserFromFile(): any[];
    execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]>;
}