import type { IExecuteFunctions, INodeExecutionData, INodeType, INodeTypeDescription, INodeCredentialTestResult, ICredentialTestFunctions } from 'n8n-workflow';
export declare class FactoryiqOpcUa implements INodeType {
    description: INodeTypeDescription;
    methods: {
        credentialTest: {
            opcuaConnectionTest(this: ICredentialTestFunctions, credential: any): Promise<INodeCredentialTestResult>;
        };
    };
    execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]>;
    private static getDataTypeEnum;
    private static convertValueToDataType;
    private static opcuaDataTypeMap;
}